Board Thread:Fun and Games/@comment-27379005-20170612025012/@comment-27109830-20171013121357

No. DIO and Diego are seperate characters; Dio Brando is primarily featured in Parts 1 and 3, and Diego is a character from Part 7, which is an alternate universe.

As for the matchup: Nay, i don't know enough about Robbie Rotten, and i don't want Waluigi in Death Battle.