Because you like Nozomu Itoshiki in Sayonara, Zetsubo Sensei

Turanga Leela is the daughter of two mutants who live in the sewers below New York City. See them in Futurama.

You couldn't ask for a better, or weirder, daughter like Cassie. See them in Marvel Cinematic Universe.

Talking to a stranger on a train is the best decision Jesse Wallace ever made. See them in Before Sunrise.

An inquisitive archaeologist, Professor Hershel Layton knows a gentleman leaves no puzzle unsolved. See them in Professor Layton.

There must be quite a lot of fellows who haven't got anybody to bring them tea in the morning. Bertie Wooster is lucky to have his valet, Jeeves. See them in Jeeves and Wooster.

An assassin with supernatural gifts, Corvo Attano is the last guy you should frame for murder. See them in Dishonored.

Leonard Hofstadter is the normal one among his scientist friends, though in fairness that's a low bar. See them in The Big Bang Theory.

Anger is a cantankerous hothead whose job is to get others riled up. See them in Inside Out.

Stoic, cynical, and brilliant, Solid Snake was genetically engineered to be the perfect soldier. See them in Metal Gear Series.