Lothar is a 2013-introduced and cartoon-only character. He is a small, pink creature with red hair and large ears. Estimates for his monster species include orc, goblin, troll, and ogre. He is a close friend of Howleen and a student at Monster High.
Lothar is a wise and upbeat student who prioritizes his friends over himself.
He is short and corpulent, with freckles and curly red hair.
Lothar is close friends with Howleen Wolf.
He has a secret crush on Howleen, but accepts that she does not return the feelings and just tries to be a good friend to her. Meanwhile, the slug girl has a secret crush on him that he is oblivious to. It is unknown if he knows of the slug girl's existence because in "Fierce Crush", she appears to just admire him from afar due to constantly hanging out with Howleen and seeing already that he has a crush that is not for her.
- February 22, 2013: Lothar appears in the Greek release of "Fierce Crush".
- June 27, 2013: Lothar makes his 2D cartoon debut in "Fierce Crush".