Thunder

Thunder may be referring to:
 * Thunder, one of Pikachu and Pichu's special moves from the Super Smash Bros. series.
 * Thunder, one of Robin's special moves from Super Smash Bros. for Nintendo 3DS / Wii U.
 * PK Thunder, a movement of Ness and Lucas in the Super Smash Bros. series and Super Smash Bros. Brawl, respectively.
 * Thunderhand, a move used by Luigi in Mario & Luigi: Superstar Saga.
 * Thunderbolt, an item in the Mario Kart series and a special move in Super Mario RPG: Legend of the Seven Stars.