diff --git a/SQL/migrate/V040__CustomSynths.sql b/SQL/migrate/V040__CustomSynths.sql
new file mode 100644
index 00000000000..9891ccaff6f
--- /dev/null
+++ b/SQL/migrate/V040__CustomSynths.sql
@@ -0,0 +1,16 @@
+--
+-- Create the Custom Synths database.
+--
+
+CREATE TABLE `ss13_customsynths` (
+    `synthname` VARCHAR(128) NOT NULL,
+    `synthckey` varchar(32) NOT NULL,
+    `synthicon` VARCHAR(26) NOT NULL,
+    `aichassisicon` VARCHAR(100) NOT NULL,
+    `aiholoicon` VARCHAR(100) NOT NULL,
+    `paiicon` VARCHAR(100) NOT NULL,
+    PRIMARY KEY (`synthname`),
+    CONSTRAINT `fk_ss13_custom_synths_ss13_players` FOREIGN KEY (`synthckey`) REFERENCES `ss13_player` (`ckey`) ON DELETE CASCADE ON UPDATE CASCADE
+)
+ENGINE=InnoDB
+;
\ No newline at end of file
diff --git a/aurorastation.dme b/aurorastation.dme
index faacde8d034..6051bce61e3 100644
--- a/aurorastation.dme
+++ b/aurorastation.dme
@@ -299,6 +299,7 @@
 #include "code\datums\helper_datums\events.dm"
 #include "code\datums\helper_datums\getrev.dm"
 #include "code\datums\helper_datums\space_ruin.dm"
+#include "code\datums\helper_datums\synthsprites.dm"
 #include "code\datums\helper_datums\teleport.dm"
 #include "code\datums\helper_datums\topic_input.dm"
 #include "code\datums\looping_sounds\_looping_sound.dm"
diff --git a/code/controllers/configuration.dm b/code/controllers/configuration.dm
index 43c3a3214ac..475dc62379a 100644
--- a/code/controllers/configuration.dm
+++ b/code/controllers/configuration.dm
@@ -286,6 +286,7 @@ var/list/gamemode_cache = list()
 	var/rounds_until_hard_restart = -1 // Changes how often a hard restart will be executed.
 
 	var/docs_load_docs_from
+	var/load_customsynths_from
 	var/docs_image_host
 
 	var/ert_base_chance = 10
@@ -899,6 +900,8 @@ var/list/gamemode_cache = list()
 
 				if ("docs_load_docs_from")
 					docs_load_docs_from = value
+				if ("load_customsynths_from")
+					load_customsynths_from = value
 				if ("docs_image_host")
 					docs_image_host = value
 
diff --git a/code/datums/helper_datums/synthsprites.dm b/code/datums/helper_datums/synthsprites.dm
new file mode 100644
index 00000000000..af02979e1b7
--- /dev/null
+++ b/code/datums/helper_datums/synthsprites.dm
@@ -0,0 +1,65 @@
+
+/* 
+
+Just some quick documentation about how this works
+
+Synthckey is the players ckey which is represented under the synths name in the json, this is required to have
+synthicon is just the sprites name in the dmi
+aichassisicon is the ai chassis icon sprite name
+aiholoicon is the ai hologram icon sprite name
+paiicon is the pai icon sprite name
+
+*/
+
+
+
+/datum/custom_synth
+	var/synthname = ""
+	var/synthckey = ""
+	var/synthicon = "robot"
+	var/aichassisicon = ""
+	var/aiholoicon = ""
+	var/paiicon = ""
+
+
+
+/proc/loadsynths_from_json()
+	var/list/customsynthsprites = list()
+	try
+		customsynthsprites = json_decode(return_file_text("config/customsynths.json"))
+	catch(var/exception/ej)
+		log_debug("Error: Warning: Could not load custom synth config, as customsynths.json is missing - [ej]")
+		return
+
+	robot_custom_icons = list()
+	customsynthsprites = customsynthsprites["synths"]
+	for (var/synthsprite in customsynthsprites)
+		var/datum/custom_synth/synth = new()
+		synth.synthname = synthsprite
+		synth.synthckey = customsynthsprites[synthsprite]["ckey"]
+		synth.synthicon = customsynthsprites[synthsprite]["synthicon"]
+		synth.aichassisicon = customsynthsprites[synthsprite]["aichassisicon"]
+		synth.aiholoicon = customsynthsprites[synthsprite]["aiholoicon"]
+		synth.paiicon = customsynthsprites[synthsprite]["paiicon"]
+		robot_custom_icons[synthsprite] = synth
+
+/proc/loadsynths_from_sql()
+	if(!establish_db_connection(dbcon))
+		log_debug("SQL ERROR - Failed to connect. - Falling back to JSON")
+		loadsynths_from_json()
+		return
+	else
+	
+		var/DBQuery/customsynthsprites = dbcon.NewQuery("SELECT synthname, synthckey, synthicon, aichassisicon, aiholoicon, paiicon FROM ss13_customsynths WHERE deleted_at IS NULL ORDER BY synthckey ASC")
+		customsynthsprites.Execute()
+		while(customsynthsprites.NextRow())
+			CHECK_TICK
+				
+			var/datum/custom_synth/synth = new()
+			synth.synthname = customsynthsprites.item[1]
+			synth.synthckey = customsynthsprites.item[2]
+			synth.synthicon = customsynthsprites.item[3]
+			synth.aichassisicon = customsynthsprites.item[4]
+			synth.aiholoicon = customsynthsprites.item[5]
+			synth.paiicon = customsynthsprites.item[6]
+			robot_custom_icons[synth.synthname] = synth
diff --git a/code/modules/mob/holder.dm b/code/modules/mob/holder.dm
index 685d1276b74..5361409773e 100644
--- a/code/modules/mob/holder.dm
+++ b/code/modules/mob/holder.dm
@@ -592,6 +592,19 @@ var/list/holder_mob_icon_cache = list()
 /obj/item/weapon/holder/pai/rabbit
 	icon_state = "rabbit_rest"
 	item_state = "rabbit"
+/obj/item/weapon/holder/pai/custom
+	var/customsprite = 1
+
+/obj/item/weapon/holder/pai/custom/sync(mob/living/M)
+	..()
+	set_paiholder()
+
+/obj/item/weapon/holder/pai/custom/proc/set_paiholder()
+
+	if(contained && customsprite == 1)
+		icon = CUSTOM_ITEM_SYNTH
+		icon_state = "[contained.icon_state]-holder"
+		item_state = "[contained.icon_state]"
 
 //corgi
 
diff --git a/code/modules/mob/living/silicon/ai/ai.dm b/code/modules/mob/living/silicon/ai/ai.dm
index 12c8a8e27fc..1870a287ae7 100644
--- a/code/modules/mob/living/silicon/ai/ai.dm
+++ b/code/modules/mob/living/silicon/ai/ai.dm
@@ -87,7 +87,7 @@ var/list/ai_verbs_default = list(
 	var/list/cameraRecords = list()				//For storing what is shown to the cameras
 
 	var/datum/ai_icon/selected_sprite			// The selected icon set
-	var/custom_sprite 	= 0 					// Whether the selected icon is custom
+	var/custom_sprite 	= FALSE 					// Whether the selected icon is custom
 	var/carded
 
 	var/multitool_mode = 0
@@ -245,24 +245,13 @@ var/list/ai_verbs_default = list(
 	return ..()
 
 /mob/living/silicon/ai/proc/setup_icon()
-	var/file = file2text("config/custom_sprites.txt")
-	var/lines = text2list(file, "\n")
-
-	for(var/line in lines)
-	// split & clean up
-		var/list/Entry = text2list(line, ":")
-		for(var/i = 1 to Entry.len)
-			Entry[i] = trim(Entry[i])
-
-		if(Entry.len < 2)
-			continue;
-
-		if(Entry[1] == src.ckey && Entry[2] == src.real_name)
-			icon = CUSTOM_ITEM_SYNTH
-			custom_sprite = 1
-			selected_sprite = new/datum/ai_icon("Custom", "[src.ckey]-ai", "4", "[ckey]-ai-crash", "#FFFFFF", "#FFFFFF", "#FFFFFF")
-		else
-			selected_sprite = default_ai_icon
+	var/datum/custom_synth/sprite = robot_custom_icons[name]
+	if(istype(sprite) && sprite.synthckey == ckey)
+		custom_sprite = TRUE
+		icon = CUSTOM_ITEM_SYNTH
+		selected_sprite = new/datum/ai_icon("Custom", "[sprite.aichassisicon]", "4", "[sprite.aichassisicon]-crash", "#FFFFFF", "#FFFFFF", "#FFFFFF")
+	else
+		selected_sprite = default_ai_icon
 	updateicon()
 
 /mob/living/silicon/ai/pointed(atom/A as mob|obj|turf in view())
@@ -634,7 +623,8 @@ var/list/ai_verbs_default = list(
 		var/icon_list[] = list(
 		"default",
 		"floating face",
-		"carp"
+		"carp",
+		"custom"
 		)
 		input = input("Please select a hologram:") as null|anything in icon_list
 		if(input)
@@ -646,6 +636,14 @@ var/list/ai_verbs_default = list(
 					holo_icon = getHologramIcon(icon('icons/mob/AI.dmi',"holo2"))
 				if("carp")
 					holo_icon = getHologramIcon(icon('icons/mob/AI.dmi',"holo4"))
+				if("custom")
+					if(custom_sprite)
+						var/datum/custom_synth/sprite = robot_custom_icons[name]
+						if(istype(sprite) && sprite.synthckey == ckey && sprite.aiholoicon)
+							holo_icon = getHologramIcon(icon("icons/mob/custom_synths/customhologram.dmi","[sprite.aiholoicon]"))
+					else
+						to_chat(src, "You do not have a custom sprite!")
+						return
 	return
 
 //Toggles the luminosity and applies it by re-entereing the camera.
diff --git a/code/modules/mob/living/silicon/pai/pai.dm b/code/modules/mob/living/silicon/pai/pai.dm
index 73685dfd2c7..f3952fa57d0 100644
--- a/code/modules/mob/living/silicon/pai/pai.dm
+++ b/code/modules/mob/living/silicon/pai/pai.dm
@@ -18,6 +18,7 @@
 	var/obj/item/device/paicard/card	// The card we inhabit
 	var/obj/item/device/radio/radio		// Our primary radio
 
+
 	var/chassis = "repairbot"   // A record of your chosen chassis.
 	var/global/list/possible_chassis = list(
 		"Drone" = "repairbot",
@@ -25,6 +26,7 @@
 		"Rat" = "rat",
 		"Monkey" = "monkey",
 		"Rabbit" = "rabbit"
+
 		)
 
 	var/global/list/pai_holder_types = list(
@@ -131,6 +133,7 @@
 	add_language(LANGUAGE_TRADEBAND, 1)
 	add_language(LANGUAGE_GUTTER, 1)
 	add_language(LANGUAGE_EAL, 1)
+	set_custom_sprite()
 
 	verbs += /mob/living/silicon/pai/proc/choose_chassis
 	verbs += /mob/living/silicon/pai/proc/choose_verbs
@@ -146,6 +149,15 @@
 	pda.name = "[pda.owner] ([pda.ownjob])"
 	pda.toff = TRUE
 
+
+/mob/living/silicon/pai/proc/set_custom_sprite()
+	var/datum/custom_synth/sprite = robot_custom_icons[name]
+	if(istype(sprite) && sprite.synthckey == ckey)
+		possible_chassis["Custom"] = "[sprite.paiicon]"
+		pai_holder_types["Custom"] = /obj/item/weapon/holder/pai/custom
+		icon = CUSTOM_ITEM_SYNTH
+	else
+		return
 /mob/living/silicon/pai/init_id()
 	. = ..()
 	idcard.registered_name = ""
@@ -361,7 +373,7 @@
 	var/choice
 	var/finalized = "No"
 	while(finalized == "No" && src.client)
-
+		set_custom_sprite()
 		choice = input(usr,"What would you like to use for your mobile chassis icon? This decision can only be made once.") as null|anything in possible_chassis
 		if(!choice) return
 
diff --git a/code/modules/mob/living/silicon/robot/custom_sprites.dm b/code/modules/mob/living/silicon/robot/custom_sprites.dm
index 737b01ef318..ba1fe2a4a3e 100644
--- a/code/modules/mob/living/silicon/robot/custom_sprites.dm
+++ b/code/modules/mob/living/silicon/robot/custom_sprites.dm
@@ -3,33 +3,21 @@
 //Since the ckey is used as the icon_state, the current system will only permit a single custom robot sprite per ckey.
 //While it might be possible for a ckey to use that custom sprite for several real_names, it seems rather pointless to support it.
 var/list/robot_custom_icons
-
 /hook/startup/proc/load_robot_custom_sprites()
-	var/config_file = file2text("config/custom_sprites.txt")
-	var/list/lines = text2list(config_file, "\n")
-
-	robot_custom_icons = list()
-	for(var/line in lines)
-		//split entry into ckey and real_name
-		var/split_idx = findtext(line, "-") //this works if ckey cannot contain dashes, and findtext starts from the beginning
-		if(!split_idx || split_idx == length(line))
-			continue //bad entry
-
-		var/ckey = copytext(line, 1, split_idx)
-		var/real_name = copytext(line, split_idx+1)
-
-		robot_custom_icons[ckey] = real_name
+	if(config.load_customsynths_from == "sql")
+		loadsynths_from_sql()
+	else if(config.load_customsynths_from == "json")
+		loadsynths_from_json()
 	return 1
-
 /mob/living/silicon/robot/proc/set_custom_sprite()
-	var/rname = robot_custom_icons[ckey]
-	if(rname && rname == real_name)
+	var/datum/custom_synth/sprite = robot_custom_icons[name]
+	if(istype(sprite) && sprite.synthckey == ckey)
 		custom_sprite = 1
 		icon = CUSTOM_ITEM_SYNTH
 		var/list/valid_states = icon_states(icon)
 		if(icon_state == "robot")
-			if("[ckey]-Standard" in valid_states)
-				icon_state = "[ckey]-Standard"
+			if("[sprite.synthicon]-Standard" in valid_states)
+				icon_state = "[sprite.synthicon]-Standard"
 			else
-				to_chat(src, "<span class='warning'>Could not locate [ckey]-Standard sprite.</span>")
-				icon =  'icons/mob/robots.dmi'
+				to_chat(src, "<span class='warning'>Could not locate [sprite.synthicon]-Standard sprite.</span>")
+				icon =  'icons/mob/robots.dmi'
\ No newline at end of file
diff --git a/code/modules/mob/living/silicon/robot/robot.dm b/code/modules/mob/living/silicon/robot/robot.dm
index b3bd95cba24..80b8bfa9fe9 100644
--- a/code/modules/mob/living/silicon/robot/robot.dm
+++ b/code/modules/mob/living/silicon/robot/robot.dm
@@ -267,15 +267,16 @@
 		//Custom_sprite check and entry
 
 		if (custom_sprite == 1)
+			var/datum/custom_synth/sprite = robot_custom_icons[name]
 			var/list/valid_states = icon_states(CUSTOM_ITEM_SYNTH)
-			if("[ckey]-[modtype]" in valid_states)
-				module_sprites["Custom"] = "[src.ckey]-[modtype]"
+			if("[sprite.synthicon]-[modtype]" in valid_states)
+				module_sprites["Custom"] = "[sprite.synthicon]-[modtype]"
 				icon = CUSTOM_ITEM_SYNTH
 				icontype = "Custom"
 			else
 				icontype = module_sprites[1]
 				icon = 'icons/mob/robots.dmi'
-				to_chat(src, "<span class='warning'>Custom Sprite Sheet does not contain a valid icon_state for [ckey]-[modtype]</span>")
+				to_chat(src, "<span class='warning'>Custom Sprite Sheet does not contain a valid icon_state for [sprite.synthicon]-[modtype]</span>")
 		else
 			icontype = module_sprites[1]
 		icon_state = module_sprites[icontype]
diff --git a/config/example/customsynths.json b/config/example/customsynths.json
new file mode 100644
index 00000000000..74869bf7715
--- /dev/null
+++ b/config/example/customsynths.json
@@ -0,0 +1,12 @@
+{
+    "synths": {
+        "Synth name here": {
+            "ckey": "ckey",
+			"synthicon": "synth icon name",
+			"aiholoicon": "ai holo icon name",
+			"aichassisicon": "ai chassis icon name",
+			"paiicon": "pai icon name"
+
+		}
+    }
+}
\ No newline at end of file
diff --git a/html/changelogs/customsynths.yml b/html/changelogs/customsynths.yml
new file mode 100644
index 00000000000..3c4b75fc414
--- /dev/null
+++ b/html/changelogs/customsynths.yml
@@ -0,0 +1,41 @@
+################################
+# Example Changelog File
+#
+# Note: This file, and files beginning with ".", and files that don't end in ".yml" will not be read. If you change this file, you will look really dumb.
+#
+# Your changelog will be merged with a master changelog. (New stuff added only, and only on the date entry for the day it was merged.)
+# When it is, any changes listed below will disappear.
+#
+# Valid Prefixes: 
+#   bugfix
+#   wip (For works in progress)
+#   tweak
+#   soundadd
+#   sounddel
+#   rscadd (general adding of nice things)
+#   rscdel (general deleting of nice things)
+#   imageadd
+#   imagedel
+#   maptweak
+#   spellcheck (typo fixes)
+#   experiment
+#   balance
+#   admin
+#   backend
+#   security
+#   refactor
+#################################
+
+# Your name.  
+author: Lady Fowl
+
+# Optional: Remove this file after generating master changelog.  Useful for PR changelogs that won't get used again.
+delete-after: True
+
+# Any changes you've made.  See valid prefix list above.
+# INDENT WITH TWO SPACES.  NOT TABS.  SPACES.
+# SCREW THIS UP AND IT WON'T WORK.
+# Also, all entries are changed into a single [] after a master changelog generation. Just remove the brackets when you add new entries.
+# Please surround your changes in  double quotes ("), as certain characters otherwise screws up compiling. The quotes will not show up in the changelog.
+changes: 
+  - refactor: "Added support for multiple synthetic sprites, aswell as custom pai's and holograms."
diff --git a/icons/mob/custom_synthetic.dmi b/icons/mob/custom_synthetic.dmi
index fe4109e8081..38e9d020ac4 100644
Binary files a/icons/mob/custom_synthetic.dmi and b/icons/mob/custom_synthetic.dmi differ
diff --git a/icons/mob/custom_synths/customhologram.dmi b/icons/mob/custom_synths/customhologram.dmi
new file mode 100644
index 00000000000..c644196bb23
Binary files /dev/null and b/icons/mob/custom_synths/customhologram.dmi differ