Nincada

Nincada (ツチニン Tutinin) is a /-Type Pokémon. It is a Basic Pokémon that can evolve into Ninjask, also creating Shedinja. A Nincada evolves into a Ninjask starting at level 20. If the player has an extra Poké Ball and party slot, Shedinja will appear in the player's party when Nincada evolves.

Special Abilities
Its special ability is Compoundeyes. This Pokémon grows underground, sensing its surroundings using antennae instead of its virtually blind eyes.

Etymology
Nincada is probably named after "Ninja" and "Cicada"

Trivia

 * Nincada is the only Pokémon that evolves into two Pokémon at once.
 * Nincada is also the only Pokémon that has an evolution with one HP