Cows

[Akabinxstar]

Cows should be able to be host and when you infect a cow, it makes a guaranteed crusher.

[MasterShakeEZ]

Cow should beable to be filled with acid trap so you can push it to marines and then it explodes on them

[CABAL]

Cows should give guaranteed Runner that is immune to fire and spits acid. LORE RULES!

[Akabinxstar]

Cows should give guaranteed Runner that is immune to fire and spits acid. LORE RULES!

Sorry, that's only in the director's cut, despite being the superior version of the movie

[Eliteempire]

Cows should act like sandbags when you kill them.

[Pigeon]

https://aliens.fandom.com/wiki/Bull_Alien

Also runners are actually aliens born from 4 legged organisms

[TheDexFiles]

Huggable Mister Wiggles when

[Drone404]

In the original goon version of ss13 aliens, you could infect cats and dogs, but they would give npc xenos.

[Allakai]

In the original goon version of ss13 aliens, you could infect cats and dogs, but they would give npc xenos.

Bold to assume aliens aren't all NPCs to begin with.