Lets give horn-y species a shot

code/modules/mob/living/carbon/human/species_types/felinid.dm

@@ -4,8 +4,8 @@
 	id = "felinid"
 	limbs_id = "human"
 
-	mutant_bodyparts = list("mam_ears", "mam_tail", "deco_wings")
-	default_features = list("mcolor" = "FFF", "mam_tail" = "Cat", "mam_ears" = "Cat", "wings" = "None", "deco_wings" = "None")
+	mutant_bodyparts = list("mam_ears", "mam_tail", "deco_wings", "horns")
+	default_features = list("mcolor" = "FFF", "mam_tail" = "Cat", "mam_ears" = "Cat", "wings" = "None", "deco_wings" = "None", "horns" = "None")
 
 	mutantears = /obj/item/organ/ears/cat
 	mutanttail = /obj/item/organ/tail/cat

code/modules/mob/living/carbon/human/species_types/humans.dm

@@ -3,8 +3,8 @@
 	id = "human"
 	default_color = "FFFFFF"
 	species_traits = list(EYECOLOR,HAIR,FACEHAIR,LIPS,MUTCOLORS_PARTSONLY,WINGCOLOR)
-	mutant_bodyparts = list("ears", "tail_human", "wings", "taur", "deco_wings") // CITADEL EDIT gives humans snowflake parts
-	default_features = list("mcolor" = "FFF", "mcolor2" = "FFF","mcolor3" = "FFF","tail_human" = "None", "ears" = "None", "wings" = "None", "taur" = "None", "deco_wings" = "None")
+	mutant_bodyparts = list("ears", "tail_human", "wings", "taur", "deco_wings", "horns") // CITADEL EDIT gives humans snowflake parts
+	default_features = list("mcolor" = "FFF", "mcolor2" = "FFF","mcolor3" = "FFF","tail_human" = "None", "ears" = "None", "wings" = "None", "taur" = "None", "deco_wings" = "None", "horns" = "None")
 	use_skintones = 1
 	skinned_type = /obj/item/stack/sheet/animalhide/human
 	disliked_food = GROSS | RAW

hyperstation/code/modules/mob/dead/new_player/sprite_accessories.dm

@@ -222,6 +222,17 @@ WINGS
 	icon_state = "tinyfeather"
 	icon = 'hyperstation/icons/mob/char_wings.dmi'
 
+/datum/sprite_accessory/deco_wings/sylveon // Aphast @ hyperstation, november 2022
+	name = "Sylveon Ribbons"
+	icon_state = "sylveon_bow"
+	icon = 'hyperstation/icons/mob/char_wings.dmi'
+	color_src = MATRIXED
+
+/datum/sprite_accessory/horns/sylveon  // Aphast @ hyperstation, november 2022, best place to put this due to being a pair and no horn slots here
+	name = "Sylveon Bow"
+	icon = 'modular_citadel/icons/mob/mutant_bodyparts.dmi'
+	icon_state = "sylveon_bow"
+	color_src = MATRIXED
 
 /*
 TAILS + ANIMATED TAILS
@@ -615,4 +626,4 @@ BEARDS
 
 /datum/sprite_accessory/facial_hair/mane
 	name = "Neckfluff (Hyper)"
-	icon_state = "facial_neckfluff"
+	icon_state = "facial_neckfluff"

modular_citadel/code/modules/mob/living/carbon/human/species_types/furrypeople.dm

@@ -5,8 +5,8 @@
 	icon_limbs = DEFAULT_BODYPART_ICON_CITADEL
 	species_traits = list(MUTCOLORS,EYECOLOR,LIPS,HAIR,WINGCOLOR,FACEHAIR)
 	inherent_biotypes = MOB_ORGANIC|MOB_HUMANOID
-	mutant_bodyparts = list("mam_tail", "mam_ears", "mam_body_markings", "mam_snouts", "taur", "legs", "deco_wings")
-	default_features = list("mcolor" = "FFF","mcolor2" = "FFF","mcolor3" = "FFF", "mam_snouts" = "Husky", "mam_tail" = "Husky", "mam_ears" = "Husky", "mam_body_markings" = "Husky", "taur" = "None", "legs" = "Normal Legs", "deco_wings" = "None")
+	mutant_bodyparts = list("mam_tail", "mam_ears", "mam_body_markings", "mam_snouts", "taur", "legs", "deco_wings", "horns")
+	default_features = list("mcolor" = "FFF","mcolor2" = "FFF","mcolor3" = "FFF", "mam_snouts" = "Husky", "mam_tail" = "Husky", "mam_ears" = "Husky", "mam_body_markings" = "Husky", "taur" = "None", "legs" = "Normal Legs", "deco_wings" = "None", "horns" = "None")
 	attack_verb = "claw"
 	attack_sound = 'sound/weapons/slash.ogg'
 	miss_sound = 'sound/weapons/slashmiss.ogg'
@@ -56,8 +56,8 @@
 	icon_limbs = DEFAULT_BODYPART_ICON_CITADEL
 	species_traits = list(MUTCOLORS,EYECOLOR,LIPS,HAIR,WINGCOLOR,FACEHAIR)
 	inherent_biotypes = MOB_ORGANIC|MOB_HUMANOID
-	mutant_bodyparts = list("mam_snouts", "wings", "taur", "mam_tail", "mam_body_markings", "taur", "deco_wings")
-	default_features = list("mcolor" = "FFF","mcolor2" = "FFF","mcolor3" = "FFF", "mam_snouts" = "Beak", "mam_body_markings" = "Hawk", "wings" = "None", "taur" = "None", "mam_tail" = "Hawk", "deco_wings" = "None")
+	mutant_bodyparts = list("mam_snouts", "wings", "taur", "mam_tail", "mam_body_markings", "taur", "deco_wings", "horns")
+	default_features = list("mcolor" = "FFF","mcolor2" = "FFF","mcolor3" = "FFF", "mam_snouts" = "Beak", "mam_body_markings" = "Hawk", "wings" = "None", "taur" = "None", "mam_tail" = "Hawk", "deco_wings" = "None", "horns" = "None")
 	attack_verb = "peck"
 	attack_sound = 'sound/weapons/slash.ogg'
 	miss_sound = 'sound/weapons/slashmiss.ogg'
@@ -102,8 +102,8 @@
 	icon_limbs = DEFAULT_BODYPART_ICON_CITADEL
 	species_traits = list(MUTCOLORS,EYECOLOR,LIPS,HAIR,WINGCOLOR,FACEHAIR)
 	inherent_biotypes = MOB_ORGANIC|MOB_HUMANOID
-	mutant_bodyparts = list("mam_tail", "mam_ears","mam_body_markings", "taur", "mam_snouts", "deco_wings", "legs")
-	default_features = list("mcolor" = "FFF","mcolor2" = "FFF","mcolor3" = "FFF", "mam_tail" = "Shark", "mam_ears" = "None", "mam_body_markings" = "Shark", "mam_snouts" = "Round", "taur" = "None", "legs" = "Normal Legs", "deco_wings" = "None")
+	mutant_bodyparts = list("mam_tail", "mam_ears","mam_body_markings", "taur", "mam_snouts", "deco_wings", "legs", "horns")
+	default_features = list("mcolor" = "FFF","mcolor2" = "FFF","mcolor3" = "FFF", "mam_tail" = "Shark", "mam_ears" = "None", "mam_body_markings" = "Shark", "mam_snouts" = "Round", "taur" = "None", "legs" = "Normal Legs", "deco_wings" = "None", "horns" = "None")
 	attack_verb = "bite"
 	attack_sound = 'sound/weapons/bite.ogg'
 	miss_sound = 'sound/weapons/slashmiss.ogg'
@@ -149,8 +149,8 @@
 	icon_limbs = DEFAULT_BODYPART_ICON_CITADEL
 	species_traits = list(MUTCOLORS,EYECOLOR,LIPS,HAIR,FACEHAIR)
 	inherent_biotypes = MOB_ORGANIC|MOB_HUMANOID|MOB_BUG
-	mutant_bodyparts = list("mam_ears", "mam_body_markings", "mam_tail", "taur", "moth_wings","moth_markings", "mam_snouts", "moth_fluff", "legs")
-	default_features = list("mcolor" = "FFF","mcolor2" = "FFF","mcolor3" = "FFF", "mam_tail" = "None", "mam_ears" = "None", "moth_wings" = "Plain","moth_markings" = "None", "mam_snouts" = "Bug", "mam_body_markings" = "Moth", "taur" = "None", "moth_fluff" = "Plain", "legs" = "Normal Legs")
+	mutant_bodyparts = list("mam_ears", "mam_body_markings", "mam_tail", "taur", "moth_wings","moth_markings", "mam_snouts", "moth_fluff", "legs", "horns")
+	default_features = list("mcolor" = "FFF","mcolor2" = "FFF","mcolor3" = "FFF", "mam_tail" = "None", "mam_ears" = "None", "moth_wings" = "Plain","moth_markings" = "None", "mam_snouts" = "Bug", "mam_body_markings" = "Moth", "taur" = "None", "moth_fluff" = "Plain", "legs" = "Normal Legs", "horns" = "None")
 	attack_verb = "flutter" //wat?
 	attack_sound = 'sound/weapons/slash.ogg'
 	miss_sound = 'sound/weapons/slashmiss.ogg'
@@ -215,8 +215,8 @@
 	icon_limbs = DEFAULT_BODYPART_ICON_CITADEL
 	species_traits = list(MUTCOLORS,EYECOLOR,LIPS,WINGCOLOR)
 	inherent_biotypes = MOB_ORGANIC|MOB_HUMANOID
-	mutant_bodyparts = list("xenotail", "xenohead", "xenodorsal", "mam_body_markings", "taur", "legs", "deco_wings")
-	default_features = list("xenotail"="Xenomorph Tail","xenohead"="Standard","xenodorsal"="Standard", "mam_body_markings" = "Xeno","mcolor" = "0F0","mcolor2" = "0F0","mcolor3" = "0F0","taur" = "None", "legs" = "Digitigrade Legs", "deco_wings" = "None")
+	mutant_bodyparts = list("xenotail", "xenohead", "xenodorsal", "mam_body_markings", "taur", "legs", "deco_wings", "horns")
+	default_features = list("xenotail"="Xenomorph Tail","xenohead"="Standard","xenodorsal"="Standard", "mam_body_markings" = "Xeno","mcolor" = "0F0","mcolor2" = "0F0","mcolor3" = "0F0","taur" = "None", "legs" = "Digitigrade Legs", "deco_wings" = "None", "horns" = "None")
 	attack_verb = "slash"
 	attack_sound = 'sound/weapons/slash.ogg'
 	miss_sound = 'sound/weapons/slashmiss.ogg'
@@ -252,8 +252,8 @@
 	default_color = "00FF00"
 	species_traits = list(MUTCOLORS,NOTRANSSTING,EYECOLOR,LIPS,HAIR,FACEHAIR)
 	inherent_biotypes = MOB_ROBOTIC|MOB_HUMANOID
-	mutant_bodyparts = list("ipc_antenna", "mam_tail", "mam_snouts", "legs", "mam_body_markings", "taur")
-	default_features = list("ipc_antenna" = "Synthetic Lizard - Antennae","mam_tail" = "Synthetic Lizard", "mam_snouts" = "Synthetic Lizard - Snout", "legs" = "Digitigrade Legs", "mam_body_markings" = "Synthetic Lizard - Plates", "taur" = "None")
+	mutant_bodyparts = list("ipc_antenna", "mam_tail", "mam_snouts", "legs", "mam_body_markings", "taur", "horns")
+	default_features = list("ipc_antenna" = "Synthetic Lizard - Antennae","mam_tail" = "Synthetic Lizard", "mam_snouts" = "Synthetic Lizard - Snout", "legs" = "Digitigrade Legs", "mam_body_markings" = "Synthetic Lizard - Plates", "taur" = "None", "horns" = "None")
 	meat = /obj/item/reagent_containers/food/snacks/meat/slab/human/mutant/ipc
 	//gib_types = list(/obj/effect/gibspawner/ipc, /obj/effect/gibspawner/ipc/bodypartless)
 	mutanttongue = /obj/item/organ/tongue/robot/ipc

modular_citadel/code/modules/mob/living/carbon/human/species_types/jellypeople.dm

@@ -10,8 +10,8 @@
 	default_color = "00FFFF"
 	species_traits = list(MUTCOLORS,EYECOLOR,HAIR,FACEHAIR,WINGCOLOR)
 	inherent_traits = list(TRAIT_TOXINLOVER)
-	mutant_bodyparts = list("mam_tail", "mam_ears", "mam_body_markings", "mam_snouts", "taur", "deco_wings")
-	default_features = list("mcolor" = "FFF", "mcolor2" = "FFF","mcolor3" = "FFF", "mam_tail" = "None", "mam_ears" = "None", "mam_body_markings" = "Plain", "mam_snouts" = "None", "taur" = "None", "deco_wings" = "None")
+	mutant_bodyparts = list("mam_tail", "mam_ears", "mam_body_markings", "mam_snouts", "taur", "deco_wings", "horns")
+	default_features = list("mcolor" = "FFF", "mcolor2" = "FFF","mcolor3" = "FFF", "mam_tail" = "None", "mam_ears" = "None", "mam_body_markings" = "Plain", "mam_snouts" = "None", "taur" = "None", "deco_wings" = "None", "horns" = "None")
 	say_mod = "says"
 	hair_color = "mutcolor"
 	hair_alpha = 160 //a notch brighter so it blends better.