Because you like Princess Bubblegum in Adventure Time
Sephiroth wants nothing more than to seize the power of the Lifestream in order to become a god. See them in Final Fantasy Series.
Drusilla's hobbies include dolls, music, and killing people. See them in Buffy the Vampire Slayer.
Rue is an icy prima ballerina whose obsession with perfection obscures a hidden desire to be loved. See them in Princess Tutu.
Rogue's touch is literally deadly, and she's trying to learn from the older mutants how to manager her powers. See them in X-Men Series.
Maurice Moss is a dedicated IT guy who even talks like a computer. See them in The IT Crowd.
Causing mayhem practically since birth, rambunctious Fred Weasley plays pranks on his siblings and avoids school at all costs. See them in Harry Potter Series.
What Troy Barnes lacks in common sense, he makes up for with heart. See them in Community.
Nozomu's name translates to despair, which is fitting for him. See them in Sayonara, Zetsubo Sensei.
A self-professed psychopath, James kills small animals for fun. After getting bored of that, he is ready for an ambitious murder. See them in The End of the F World.
Growing up is hard for Carl Grimes. Growing up in a zombie apocalypse is even harder. See them in The Walking Dead.