Smash Ball, Smashpedia

The Smash Ball (スマッシュボール, sumasshu bōru) (formerly called a Smash Emblem or Smash Orb by fans) is a special item in Super Smash Bros. Brawl, Super Smash Bros. for Nintendo 3DS and Wii U, and Super Smash Bros. Ultimate It appears to allow the user to activate an especially powerful Final Smash attack. The Smash Ball appears as a multicolored sphere resembling the Super Smash Bros. logo. In 3DS/Wii U, Smash Balls will pulsate and leave multicolored trails in their wake when roaming around the stag

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

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

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

Fighting Alloy Team, Smashpedia

Master Ball - SmashPedia

Squirtle (Super Smash Bros. Ultimate), Smashpedia

Captain Falcon (Super Smash Bros. Ultimate), Smashpedia

Pikachu (Super Smash Bros. Brawl), Smashpedia

Smashpedia

Fox (Super Smash Bros. Brawl), Smashpedia

Smash Ball, Smashpedia

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