Number 51

"Who keeps my people under wraps? We do!"

- Number 51's unlock message.

 is a premium limited time character released with the Stonecutters 2014 Event.

He was re-released for the Treehouse of Horror XXV Event, the Stonecutters Black Market Sale, and The Marge-ian Chronicles Promotional.

He returned on January 3, 2018 during The Buck Stops Here 2018 Event as a rebate offer. It gave a bonus of 90 Donuts after purchasing. He returned on January 9, 2019 during the Not Yet Spring Cleaning 2019 Event with the same rebate.

About
is a former Stonecutter and Martian. His robe is different from the other Stonecutters due to his size.

Trivia

 * From Season 6, Episode 12 “Homer the Great”.
 * His number, 51, is most likely to be a reference to the Area 51.