The only thing more fun than trying to guess who’s who on The Masked Singer is guessing what crazy costumes will appear on each new season! Every year, it seems like the show’s costume department truly outdoes itself with increasingly elaborate, wacky, and sometimes hilarious costumes to conceal the identities of the celebs behind the masks. As the fourth season gears up to start officially on Sept. 23, we’re taking a look back at all the incredible characters that have graced the stage so far. We’ve moved long past the days of just animal characters — now there are singing robots, monsters, and bizarre but glam creatures. Keep reading to see every single costume from The Masked Singer and the celebrities behind each mask!