Because you like Eddy in Lock, Stock, and Two Smoking Barrels

Don't mess with Mickey Milkovich unless you want to see the wrong side of one of his many guns. See them in Shameless.

Academics weren't his strong suit. Luckily, Jesse Pinkman's street smarts are a cut above the rest. See them in Breaking Bad.

L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.