Because you like Lex Luthor in Smallville
Rose Tyler may have not done too well in school, but she's certainly holding her own in space. See them in Doctor Who.
Frederick Frankenstein is an eccentric (O.K., maybe a little insane) professor who is excited to be delving into his family's past. See them in Young Frankenstein.
Betty Cooper seems like a sweet girl, but she also has a dark side and can go beyond what's safe or sane. See them in Archie Comics.
There is never a dull moment with Jim Moriarty: expect booze and sing alongs in between all of the homicide. See them in Sherlock.
A courageous boy robot, Mega Man is dedicated to achieving everlasting peace. See them in Mega Man.
Charlie is a Type A theater director dealing with something out of his control: a painful divorce. See them in Marriage Story.
Ryan Howard is a temp turned executive turned failing small-time media mogul. See them in The Office.
The destroyer, Drax lives for one thing and one thing only: revenge. See them in Marvel Cinematic Universe.
A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.
N'Jadaka is a righteous man with a violent agenda. See them in Marvel Cinematic Universe.