Evil Ruby is an alternate version of Ruby (Prime) who is hellbent on revenge for a series of disasters that has transpired in her life. Originating from Universe -7 Ruby has caused serious destruction to her universe. She has accidently traveled throughout multiple different universes due to a malfunction form a portal device known as Echo-R. As a result of several of these portal warps, Ruby has encountered many different versions of herself and others  from across different universes.