Because you like Reginald Barclay in Star Trek: The Next Generation

Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.

A powerful priestess, Melisandre is shrouded in mystery and lots of red. See them in Game of Thrones.

On the outside, Gwen seems meek and calm. But she has an inner core of steel. See them in Merlin.

Morpheus is wise enough to see into the bones of the world. See them in The Matrix.

Milhouse Van Houten is happy to be second banana. See them in The Simpsons.

Mr. Pink doesn't tip. Enough said. See them in Reservoir Dogs.

If Anna Liebert could remember her past, maybe she would know who she is. See them in Monster (TV Show).

Usually the life of the party, Laszlo is now seriously planning the vampiric takeover of the New World. Or at least Staten Island. See them in What We Do In The Shadows.

Howard Wolowitz is an engineer whose serious mommy issues somehow haven't dimmed his confidence. See them in The Big Bang Theory.

How is angel Aziraphale supposed to stop the apocalypse when Hell's forces misplaced the Antichrist somewhere? See them in Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch.

Ahsoka Tano hopes to be a very powerful and knowledgeable Jedi one day. See them in The Clone Wars.

Working as a captain in the American Expeditionary Forces and a spy for British Intelligence, Steve Trevor wants to end World War I once and for all. See them in DC Extended Universe.