Monkeyizing non-humans should result in the correct non-human monkeys.

code/modules/mob/dead/observer/observer.dm

@@ -468,6 +468,10 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 		src << "<span class='warning'>You may only spawn again as a mouse more than [mouse_respawn_time] minutes after your death. You have [timedifference_text] left.</span>"
 		return
 
+	var/response = alert(src, "Are you -sure- you want to become a mouse?","Are you sure you want to squeek?","Squeek!","Nope!")
+	if(response != "Squeek!") return  //Hit the wrong key...again.
+	
+
 	//find a viable mouse candidate
 	var/mob/living/simple_animal/mouse/host
 	var/obj/machinery/atmospherics/unary/vent_pump/vent_found

code/modules/mob/transform_procs.dm

@@ -20,14 +20,16 @@
 	flick("h2monkey", animation)
 	sleep(48)
 	//animation = null
-	var/mob/living/carbon/monkey/O = new /mob/living/carbon/monkey( loc )
-	del(animation)
 
-	O.name = "monkey"
+	if(!species.primitive) //If the creature in question has no primitive set, this is going to be messy.
+		gib()
+		return
+
+	var/mob/living/carbon/monkey/O = null
+
+	O = new species.primitive(loc)
+
 	O.dna = dna
-	dna = null
-	//O.dna.uni_identity = "00600200A00E0110148FC01300B009"
-	//O.dna.struc_enzymes = "0983E840344C39F4B059D5145FC5785DC6406A4BB8"
 	O.dna.SetSEState(MONKEYBLOCK,1)
 	O.loc = loc
 	O.viruses = viruses
@@ -39,8 +41,9 @@
 		client.mob = O
 	if(mind)
 		mind.transfer_to(O)
-	O.a_intent = "hurt"
+
-	O << "<B>You are now a monkey.</B>"
+	O << "<B>You are now [O]. </B>"
+
 	spawn(0)//To prevent the proc from returning null.
 		del(src)
 	return O