Kirby's Dream Land
From SmashWiki, the Super Smash Bros. wiki
Kirby's Dream Land (星のカービィ, Kirby of the Stars) is a 1992 platforming game developed by HAL Laboratory for the Nintendo Game Boy. It is the first game in the Kirby series, and thus the debut game of Kirby himself, and is featured as a Masterpiece in Super Smash Bros. for Wii U
In the Super Smash Bros. series
Kirby is the main protagonist of the game. King Dedede is also the main antagonist of the game.