Joltik

Joltik is a new Generation V / Pokémon that first appeared in Pokemon Black and White. It is the pre-evolution form of Galvantula. It evolves at level 36, and resembles a baby jumping spider.

Trivia

 * It can be seen as a relative to Spinarak.
 * No other Pokemon have the same type combination of Joltik and its post-evolution.
 * At 0.1m, Joltik is the smallest known Pokemon.