Because you like Howard Wolowitz in The Big Bang Theory

Good-natured, sensitive, and introspective, Mason is on a lifelong path to finding himself. See them in Boyhood.

Intelligent and compassionate, Hazel Lancaster would rather face things, even bad things, than sugarcoat the truth. See them in The Fault in Our Stars.

Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.

Major Marquis Warren is a talkative, sharp-eyed, and cold-hearted Civil War soldier-turned-bounty hunter. See them in The Hateful Eight.

Ex-adviser to the king and most powerful sorceress, Yennefer is determined to be even stronger to attain her freedom in a war-torn world. See them in The Witcher.

Just call Jeff Lebowski The Dude. Or His Dudeness, Duder, or El Duderino if you're not into that whole brevity thing. See them in The Big Lebowski.

Shana is a red-haired warrior with a black-and-white worldview. See them in Shakugan no Shana.

World domination and Superman's demise are next on Lex Luthor's to-do list. See them in DC Extended Universe.

Tattoos, bad boys, and heroin: Jane Margolis is learning that some vices are more dangerous than others. See them in Breaking Bad.

With her consciousness so easily shifted between bodies, Motoko Kusanagi is left unsure of who or what she really is. See them in Ghost in the Shell.

Carl Fredricksen is a crotchety old man who may just have it in him to take one last, great adventure. See them in Up.

He tells you everything you need to know: "I. Am. Groot." See them in Marvel Cinematic Universe.