I've heard him called
Tywin Lannister's MAD dog.
Game of Thrones Season 1, Episode 6
who sends men MAD and sends them to their deaths.
Vikings Season 1, Episode 2
They fought together
to overcome the Mad King.
Game of Thrones Season 4, Episode 8
Oh, come on, don't be MAD.
The Big Bang Theory Season 9, Episode 9
They'll go MAD.
Money Heist Season 3, Episode 8