Season 8 of “The Masked Singer” premiered on last week and introduced four new mystery celebrities in the show’s signature Emmy-winning costumes. As we head into tonight’s episode entitled Vegas Night, here is who has been unmasked so far.

Harp took on the Hedgehog, Hummingbird and the Knight. Hedgehog turned out to be Tony Award-winning comedy legend, Eric Idle. Idle is one of the founders of the comedy group Monty Python. The Knight turned out to be television icon, William Shatner. Hummingbird has yet to be revealed and will be unmasked at the beginning of tonight’s episode.

Check out the reveals for Season 8 so far.

“The Masked Singer” airs Wednesdays on Fox.

“The Masked Singer” is a reality singing competition that airs on FOX. Celebrities are completely concealed inside cumbersome costumes and their famous faces are hidden behind elaborate masks. They perform songs in the hopes of winning enough votes from the studio audience to stay in the competition. Nick Cannon currently hosts the show, which debuted on FOX on January 2, 2019. The four judges to date are Ken Jeong, Jenny McCarthy, Nicole Scherzinger and Robin Thicke.