Talk:Santa Claus VS The Flash/@comment-26153757-20181224091940/@comment-5035900-20181224231353

https://marvel.wikia.com/wiki/Santa_Claus_(Earth-616)

If I recall, one of (if not, his very first appearance) in the Marvel universe was in an X-Men issue where the X-Men and Brotherhood run into him, Santa turns the latter into toys, then wipes both groups of any memory of their encounter with him. He's apparantly one of the most powerful mutants.