Karl is a self-proclaimed genius and is an antagonist in the All Hail King Julien Netflix series.
Part of Karl's history mentioned that he has a brother named Bruce who was better at things than him.
After he did some attempts on King Julien's life where Mort took a blow to every attempt, Karl makes himself known to King Julien and invites him to his lair with the directs on the brochure.
After Clover and Maurice are captured, King Julien makes his way to Karl's lair at a crashed zeppelin where Karl mentions his plans to raise the zeppelin and take over the world with King Julien as his partner. While Karl was ranting about his plans, King Julien manages to free Clover and Maurice.
When King Julien, Clover, and Maurice exit the zeppelin, they are confronted by Karl who prepares to fire a laser at him until the balloon carrying the rocks with every wishes that the lemurs wrote on them for the Sky God member Frank falls from the sky and lands on Karl.
|King Julien • Maurice • Mort • Clover • Uncle King Julien • Masikura|
|Princess Julienne • Prince Barty • Amy • Baby Snail • Brosalind • Brodney • Bronda • Crocodile Ambassador • Caesar • Dingbert • Dr. S • Grandma Rose • Hans • Hans Jr • Mrs. Hans • Helen • Willie • Horst • Hector • Pancho • Timo • Dorothy • Abner • Becca • Father Tentacle • Kipper • Jarsh-Jarsh • Ringo • Todd • Tammy • Rob McTodd • Butterfish • Stanislav • Snake • Ted • Xixi|
|Bensen • Captain Ethan • Chauncey • Crimson • Karl • Karen • Koto • Lil Arms Magee • Magic Steve • Mary Ann • One Eye Simon • Pam • Vigman Wildebeest • Zora|