Suggestions by @willsheffield

Transformers (G1)

as Bionicle in Most Wanted Crossovers

Berserk

as Soul Calibur in Most Wanted Crossovers

Pinky and the Brain

as The Tick in Most Wanted Crossovers

Mickey Mouse (Disney Character)

as Chuck E. Cheese's in Most Wanted Crossovers

Pokémon

as Fire Emblem in Most Wanted Crossovers

King of the Hill

as LEGO in Most Wanted Crossovers

Trini Kwan/Yellow Mighty Morphin Ranger

as Raikou / ライコウ in Fictional Characters by Pokemon Buddy

Captain K’nuckles

as Smoochum / ムチュール in Fictional Characters by Pokemon Buddy

Aquaman

as Kingdra / キングドラ in Fictional Characters by Pokemon Buddy

Shanks (One Piece)

as Pichu / ピチュー in Fictional Characters by Pokemon Buddy

Wreck-It Ralph (Disney Character)

as Porygon / ポリゴン in Fictional Characters by Pokemon Buddy

Smoker

as Galarian Weezing / ガラル マタドガス in Fictional Characters by Pokemon Buddy

Homer Simpson

as Electrode / マルマイン in Fictional Characters by Pokemon Buddy

Hoggish Greedly

as Alolan Muk / アローラ ベトベトン in Fictional Characters by Pokemon Buddy

Josh Nichols

as Victreebel / ウツボット in Fictional Characters by Pokemon Buddy

Hajime no Ippo

as Primeape / オコリザル in Fictional Characters by Pokemon Buddy

Ann Perkins

as Wigglytuff / プクリン in Fictional Characters by Pokemon Buddy

Winston Schmidt

as Lumineon / ネオラント in Fictional Characters by Pokemon Buddy

Nick Miller

as Cacnea / サボネア in Fictional Characters by Pokemon Buddy

Winston Bishop

as Purugly / ブニャット in Fictional Characters by Pokemon Buddy