A big Group of Villains.

King K Rool

J (Neutral, was cloned by Tessa but rumored to be bad again.)

R.O.B. (Mainly Neutral, altho yes he is just a toy, but here's 3 things, was a boss in a warioware game, Brawl's Subspace then turned good after & AVGN, but as of now he's just a Smash Bros Staple.)

Jax (Mainly Neutral, altho he isn't the big bad but how he treats the other members.)

V2

Mr.Puzzles

CFW Brave (Neutral, mainly because of a promise to Uni when defeated.)

Mecha Sonic

Hank (Neutral, mainly the protagonist, but is abit of a killer.)

Ganondorf

Dev - https://www.deviantart.com/ashley-star-chan/art/1051211234

Twitter - https://twitter.com/CyberAshley_64/status/1789378774053593523

Pixiv - https://www.pixiv.net/en/artworks/118650058