Because you like Conor "Cosmo" Lalor in Sing Street

Eleanor puts up a tough front, even when everyone else tries to tear her down. See them in Eleanor and Park .

For Vada Sultenfuss, it's hard to embrace growing up when you're obsessed with death. See them in My Girl.

Reckless, vulgar, loud-mouthed: that's what makes Amethyst so awesome. See them in Steven Universe.

The ever-cheerful Tonks can change her appearance at will, but she can't seem to get rid of her clumsiness. See them in Harry Potter Series.

Sabrina Spellman is half-witch-half-human, a headstrong and loyal cheerleader with an affinity for spell-making. See them in Chilling Adventures of Sabrina.

Princess Bubblegum is brilliant and determined, but can display a nasty temper. See them in Adventure Time.

A singing nanny, Mary Poppins is practically perfect in every way. See them in Mary Poppins.

With an undeniable sense of adventure, Huck Finn is an expert at getting into and, more importantly, out of sticky situations. See them in The Adventures of Huckleberry Finn.

Catwoman might be slightly unhinged, but you can't say this feline villainess isn't confident. See them in DC Extended Universe.

The Grinch's heart is just too small to appreciate Christmas. See them in Dr. Seuss' How the Grinch Stole Christmas.

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.

Ash Williams is a houseware clerk at S-Mart and the Chosen One. See them in The Evil Dead.