The complete Pokemon RBY pokedex, part 12

Pokémon Name: Mr. Mime
Type: Psychic
Classification: Barrier Pokemon
Pokédex Number: 122
Ability: Soundproof and Filter
Dream World ability: Technician
Useful Attacks: Psychic
Location Found:
Diamond/Pearl: Route 218 and 222 (Diamond) and evolve from Mime Jr. (Pearl)
Platinum: Route 218
HG/SS: Route 21, Safari Zone (Forest)
B/W: Poke Transfer

His Diamond and Pearl sprite might not be too strange, but watching him move around in Battle Revolution is highly unsettling. His fingers are just... creepy.

Evolution: From Mime Jr. via leveling up with Mimic (18)