ITT: I name the Pokémon by (my best guesses for) their etymologies (in English). I shall do this until I get bored.

Bulb dinosaur
Ivy dinosaur
Venus [fly trap] dinosaur
Char salamander
Char chameleon
Char lizard
Squirt turtle
War tortoise turtle
Blast tortoise
Caterpillar
Meta- (prefix) pod
Butterfly free
Worm needle
Cocoon
Bee drill
Pigeon
Pigeon
Pigeon
Rat attack
Rat eradicate
Spear sparrow
Fear sparrow
Snake
Cobra
Electric mouse
Thunder mouse
Sand shrew
Sand slash
Needle
Needle
Needle queen
Needle
Needle
Needle king
Clef fairy
Clef able
Fox six
Nine tails
Jiggly puff
Wiggly tough
Bat
Gold bat
Odd radish
Glum bloom
Vile plume
Parasite
Parasite insect
Venom gnat
Venom moth
Dig
Dug trio
Meow
Persian
Psychic duck
Gold duck
Crankey monkey
Prime ape primate
Growl lithe
Arcane canine
Polliwog wag
Polliwog whirl
Polliwog wrath
Abra
Cadabra
Alakazam
Macho chop
Macho choke
Macho champ
Bell sprout
Weeping bell
Victory bell
Tentacle cool
Tentacle cruel