Robot Chicken Spongebob is a version of Spongebob that originates from the 7th episode of the 5th season of the American stop motion animated sketch comedy television series Robot Chicken, known as "Major League of Extraordinary Gentlemen", specifically in the 9th segment of the episode, which is known as "Krabby Patties". He is the playable character in Mistful Crimson Morning in the freeplay song Cannibalism.

More facts here: https://fridaynightfunking.fandom.com/wiki/Mistful_Crimson_Morning/Characters