Fallout 2 creatures

Humanoids

 * Dwarf
 * Ghoul
 * Feral ghoul
 * Glowing One
 * Human
 * Lobotomite (cut content)
 * Slags
 * Super mutant

Insects and arachnids

 * Giant ant
 * Mantis
 * Radscorpion

Mammals

 * Brahmin
 * Cat (mentioned-only)
 * Dog
 * Cyberdog
 * Horned kangaroo (mentioned-only)
 * Rats
 * Giant rat
 * Mole rat
 * Pig rat
 * Wolf

Reptiles

 * Deathclaw
 * Baby deathclaw
 * Mother deathclaw
 * Talking deathclaw
 * Geckoes
 * Fire gecko
 * Golden gecko
 * Little gecko
 * Iguana (mentioned-only)

Other

 * Centaur
 * Floater
 * Wanamingo

Plants

 * Spore plant