Known to fans as Toon Link, this character is the incarnartion of Link from The Legend of Zelda series. He appears in Four Swords, Four Swords Adventures, The Minish Cap, The Wind Waker, The Phantom Hourglass, and Spirit Tracks. He is decipted as a child, usually around 11 or 12 years old, and is the youngest Link other than Link from Ocarina of Time and Majora's Mask.
Only Link from The Wind Waker and Phantom Hourglass are the same people, as the others are icarnations. In Super Smash Bros. Brawl and in Super Smash Bros. 4, Toon Link serves as a replacement for Young Link from Super Smash Bros. Melee.
However he appeared in Hyrule Warriors Legends as a DLC playable character.