Both are well known YouTube Poop characters in a Smash Bros. fan project (Lawl and Crusade) that have a darker side (Frollo's actions in his source film and Weegees quote of: "Obey Weegee, dEsTrOy MaRiO".) and have shown to have a Super Saiyan form of some sort and I don't get it (The Frollo Show and Both Weegee and Vegeta's SSBC trailers), they also both have Yume Nikki as part of their Smash Bros. fan projects (Madotsuki being a fighter, Fangame characters (Yomika, Ib, Aya Drevis and Mary) being a fighter, Poniko being a assist trophy, Mado's balcony as a stage, a boss and a fucking Masada Tommy Wiseau while Crusade only has Block World... Y E P) also Weegee can somehow be related some of the OG Lawl 12

Both are Nintendo related (The King)

Both are deranged (I.M. Meen)

Both are YouTube Poop counterparts of Luigi (Mama Luigi)

Both have been related to a certain rivalry (Dr. Robotnik)