Pikachu

Pikachu (Japanese: ピカチュウ) is a fictional species from the Pokémon animé, manga, and video games. It is one of the more popular species, and serves as the franchise mascot, in addition to being one of Japan's mascots for the 2014 FIFA World Cup. Pikachu has also had a balloon in the Macy's Thanksgiving Day Parade since 2001.

The appearance of a Pikachu is that of a cartoon yellow mouse, with long pointed ears, black markings, red cheeks, and a lightning-bolt shaped tail. Their round bodies and bright eyes give off a general idea of "cuteness." However, their cheeks aren't just for show; they contain powerful electric sacs, capable of administering 1,000 amps of electricity.

Contrary to popular belief, the "pika" in Pikachu does not derive from the pika. It is actually derived from the Japanese onomatopoeia "pikapika", the sound and electric spark makes.