Mutant Krabs is a super creepy version of Mr. Krabs from an equally creepy alternate reality. Mutant Krabs is a ruthless piece of crap who thinks killing is the best way to work things out.
In an alternate reality, Mutant Krabs is actually a failed experiment of Dr. Neo Cortex in one of his many attempts to kill Crash Bandicoot. However, Mutant Krabs turned on Cortex and mauled him alive. With Cortex dead, Mr. Abs took his experiments to make atomic bombs which used to destroy Crash Bandicoot. Upon succeeding, Mr. Abs created a machine to travel from a reality to another.
Job at the Krusty Krust
So, Mutant Krabs went to new new Bikini Bottom and built the Krusty Krust. It was the best restaurant in town because all the other food there is made out of crap from Luigi, so Mutant Krabs hired Spimbab, sqwadwird, and pehtrek. But one night, Weegee broke in to the Krusty Krust after Mutant Krabs I left for the night of. But pehtrek escaped. The next day spim and sqwadird were weegeefied.the tried to attack him but he ran away as fast as he possibly could.
Immigration and life Mushroom Kingdom
So he then gathered all his crap and escaped to the mushroom kingdom. He now lives their. His best friend is Cap'N Crunch because he fixed his machete. He is now running for King in the mushroom kingdom