[Casual] who's the strongest fictional character Brock Lesnar can defeat going by his kayfabe WWE feats as reference?

Who is the strongest character that Brock Lesnar can defeat going by his WWE stats and feats. In WWE kayfabe Brock is considered to be the current strongest on the roster and many have argued ever. This is even more impressive when you factor in the roster consists of vodoo cult leaders, zombie wizards & demon kings.

Brock regularly exhibits incredible feats of strength,speed and endurance including completely pummelling Wwe's equivalent of superman (John Cena) and being the first of only two people to defeat the undertaker at Wrestlemania a feat which is considered near enough impossible. Brock is also capable of withstanding incredible amounts of damage regularly being able to brush off and in some cases completely no-sell opponents' finishers. The most notable example of this is surviving Goldberg's jackhammer.

With all this in mind who's the strongest character in any fictional universe that Brock could beat.