A powerful other-dimensional imp starts to annoy Superman every 90 days while becoming equally aggravated at the superhero forcing him back just as often.
Did You Know?
Mr Mxyzptlk turns into a rocket with a green face (the kryptonite warhead). This transformation is a reference to The Mask
(1995), where the hero was nearly omnipotent and would turn into a variety of people/objects with a green face. See more
[the Daily Planet staff turn into animals
Wow! Look at all these animals! This is too weird...
[turns into a turtle
Whoa, you're fast, kiddo!