Suggestions by @jurassicjohnny

Knuckles the Echidna

as Playable characters (base) in Super Smash Bros. VI

Tails

as Playable characters (base) in Super Smash Bros. VI

Shadow the Hedgehog

as Playable characters (base) in Super Smash Bros. VI

💙Sonic The Hedgehog💙

as Playable characters (base) in Super Smash Bros. VI

Solid Snake

as Playable characters (base) in Super Smash Bros. VI

Medusa (Kid Icarus)

as Playable characters (base) in Super Smash Bros. VI

Palutena

as Playable characters (base) in Super Smash Bros. VI

Dark Pit

as Playable characters (base) in Super Smash Bros. VI

Mr. Game and Watch

as Playable characters (base) in Super Smash Bros. VI

Alear

as Playable characters (base) in Super Smash Bros. VI

Byleth

as Playable characters (base) in Super Smash Bros. VI

Corrin

as Playable characters (base) in Super Smash Bros. VI

Robin (Fire Emblem)

as Playable characters (base) in Super Smash Bros. VI

Chrom

as Playable characters (base) in Super Smash Bros. VI

Black Knight (Fire Emblem)

as Playable characters (base) in Super Smash Bros. VI

Ike (Fire Emblem)

as Playable characters (base) in Super Smash Bros. VI

Roy (Fire Emblem)

as Playable characters (base) in Super Smash Bros. VI

Lucina

as Playable characters (base) in Super Smash Bros. VI

Marth (Fire Emblem)

as Playable characters (base) in Super Smash Bros. VI

Ice Climbers

as Playable characters (base) in Super Smash Bros. VI