Because you like Mr. Robot in Mr. Robot
Mario is a plumber who wears a ridiculous outfit, eats weird looking mushrooms, and fits himself inside your pipes so he can save a princess. See them in Super Mario Bros..
Haymitch Abernathy is a trainer for the tributes of District 12, although he's never sober enough to give much advice. See them in The Hunger Games .
With a brilliant mind, an insane level of confidence, and a penchant for drunken dancing, Cristina Yang is a force to be reckoned with. See them in Grey's Anatomy.
When you live your life in public, like Mima Kirigoe, it's hard to know who you really are. See them in Perfect Blue.
A singing nanny, Mary Poppins is practically perfect in every way. See them in Mary Poppins.
Darcy Lewis is a razor-sharp scientist studying things that science can't explain. See them in Thor.
The fearless bodyguard of Rick Flag, Katana will ruthlessly kill her enemies, trapping their souls in her sword. See them in DC Extended Universe.
Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.
Princess Bubblegum is brilliant and determined, but can display a nasty temper. See them in Adventure Time.
Lucius Malfoy is a judgmental social climber who has a bigoted superiority complex. See them in Harry Potter Series.