The complete Pokemon GSC pokedex, part 1

Pokémon Name: Furret
Type: Normal
Classification: Long Body Pokemon
Pokédex Number: 162
Ability: Run Away and Keen Eye
Dream World ability: Frisk
Useful Attacks: Me First
Location Found:
D/P/P: Evolve from Sentret
HG/SS: Route 1
B/W: Evolve Sentret

Evolved but still cute, Furret doesn't learn its most useful moves until late in its leveling-up process. If you're willing to wait for Me First, Hyper Voice and Sucker Punch, well, here they are.

Evolution: From Sentret at 15