guess the matchup #14

hint #1, this is a joke matchup

hint #2, these two characters are related to each other in ways that many take note of (especially a certain person)

hint #3, this matchup has Mutiple animations involving it and a fan track as well

hint #4, this matchup has something to do with today, it's the anniversary of something...

hint #5, you guess this matchup by just thinking of one word, I won't tell you that word though

now you must think about, really think and theo- I'm mean, just think about it hard and when you answer, explain why you think it's that matchup.