Aquaman

"'I came here only to do two things: Look masculine and talk to fish. And I'm all out of fish. So I'm gonna look masculine! WOO!'"

Arthur Curry, better known as Aquaman, is a DC Comics character and a recurring character in the DC Extended Universe.

How Finding Nemo Should Have Ended
Aquaman appears during Nemo, Marlin, and Dory's montage, saying, "Wrong universe!"

Super Café: And the Reboot Goes To
Aquaman, in his comic book incarnation, approaches Superman and Batman at the Super Café and asks to get a reboot. After getting approval, he leaves and later comes back sporting his DC Extended Universe appearance.

Bat Blood
When Batman parodies the Taylor Swift song, bad blood. He assembles a team of heroes from all different movie franchises, Aquaman as well as the rest of the justice league team up with superman to fight Batman’s new team while explosions are happening and Batman’s parody song comes to an end.