Adds penguins and lizards to new mob framework.

code/modules/ai/say_list.dm

@@ -110,4 +110,7 @@
 	say_understood = list("Affirmative.", "Positive.")
 	say_cannot = list("Denied.", "Negative.")
 	say_maybe_target = list("Possible threat detected.  Investigating.", "Motion detected.", "Investigating.")
-	say_got_target = list("Threat detected.", "New task: Remove threat.", "Threat removal engaged.", "Engaging target.")
+	say_got_target = list("Threat detected.", "New task: Remove threat.", "Threat removal engaged.", "Engaging target.")
+
+/datum/say_list/lizard
+	emote_hear = list("hisses")

code/modules/mob/living/simple_mob/subtypes/animal/animal.dm

@@ -1,2 +1,3 @@
 /mob/living/simple_mob/animal
-	mob_class = MOB_CLASS_ANIMAL
+	mob_class = MOB_CLASS_ANIMAL
+	meat_type = /obj/item/weapon/reagent_containers/food/snacks/meat

code/modules/mob/living/simple_mob/subtypes/animal/passive/lizard.dm

@@ -0,0 +1,24 @@
+/mob/living/simple_mob/animal/passive/lizard
+	name = "lizard"
+	desc = "A cute, tiny lizard."
+	tt_desc = "E Anolis cuvieri"
+
+	icon_state = "lizard"
+	icon_living = "lizard"
+	icon_dead = "lizard-dead"
+
+	health = 5
+	maxHealth = 5
+	mob_size = MOB_MINISCULE
+
+	response_help  = "pets"
+	response_disarm = "shoos"
+	response_harm   = "stomps on"
+
+	attacktext = list("bitten")
+	melee_damage_lower = 1
+	melee_damage_upper = 2
+
+	speak_emote = list("hisses")
+
+	say_list_type = /datum/say_list/lizard

code/modules/mob/living/simple_mob/subtypes/animal/passive/passive.dm

@@ -0,0 +1,3 @@
+// Passive mobs can't attack things, and will run away instead.
+/mob/living/simple_mob/animal/passive
+	ai_holder_type = /datum/ai_holder/simple_mob/passive

code/modules/mob/living/simple_mob/subtypes/animal/passive/penguin.dm

@@ -0,0 +1,26 @@
+/mob/living/simple_mob/animal/passive/penguin
+	name = "penguin"
+	desc = "An ungainly, waddling, cute, and VERY well-dressed bird."
+	tt_desc = "Aptenodytes forsteri"
+	icon_state = "penguin"
+	icon_living = "penguin"
+	icon_dead = "penguin_dead"
+
+	maxHealth = 20
+	health = 20
+	minbodytemp = 175 // Same as Sif mobs.
+
+	response_help  = "pets"
+	response_disarm = "pushes aside"
+	response_harm   = "hits"
+
+	harm_intent_damage = 5
+	melee_damage_lower = 10
+	melee_damage_upper = 15
+	attacktext = list("pecked")
+
+	has_langs = list("Bird")
+
+/mob/living/simple_mob/animal/passive/penguin/tux
+	name = "Tux"
+	desc = "A penguin that has been known to associate with gnus."