Sunnycide is a boss monster inside Yoob's belly in the Nintendo DS game Mario and Luigi: Partners in Time. After fighting to the belly of Yoob, Mario, Baby Mario, Luigi, and Baby Luigi are confronted by Sunnycide. The quartet must attack one of the five Yoob eggs on the floor in front of him to free a Yoshi. Once all 5 are free,they will go to the top of the screen and push a Chomp Rock onto Sunnycide, Which will damage him greatly. Once he died, the biochemical factory in Yoobs belly is destroyed.