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

Sonic is a playable character in Super Smash Bros. Ultimate. His return to the series was confirmed on June 12th, 2018. As in Super Smash Bros. Brawl, Sonic is an unlockable character instead of being a starter character. Sonic is classified as Fighter #38. As in Super Smash Bros. 4, Sonic

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

Super Smash Bros. Ultimate, Sonic Wiki Zone

Sonic (SSBU)/Down smash - SmashWiki, the Super Smash Bros. wiki

Spirit (Super Smash Bros. Ultimate) - Super Mario Wiki, the Mario encyclopedia

Zelda (Super Smash Bros. Ultimate), Smashpedia

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

Sonic (SSBU)/Grab - SmashWiki, the Super Smash Bros. wiki

Sonic (SSBU)/Forward smash - SmashWiki, the Super Smash Bros. wiki

Super Smash Bros. - Super Mario Wiki, the Mario encyclopedia

Lucas (Super Smash Bros.) - WikiBound, your community-driven EarthBound/Mother wiki

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

Sonic (SSB4)/Up smash - SmashWiki, the Super Smash Bros. wiki

Sonic (SSB4)/Down aerial - SmashWiki, the Super Smash Bros. wiki

Miles Tails Prower - SmashWiki, the Super Smash Bros. wiki

Inkling - Super Mario Wiki, the Mario encyclopedia