Yoshi (SSBU) - SmashWiki, the Super Smash Bros. wiki

Yoshi is a playable character in Super Smash Bros. Ultimate. He was revealed for the game along with the rest of the veterans on June 12th, 2018; he and Luigi were the last veterans confirmed, with both appearing at the very end of the trailer. Yoshi is classified as Fighter #05. As in

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List of fighters debuting in Super Smash Bros. Ultimate - Super Mario Wiki, the Mario encyclopedia