Because you like Rose Tyler in Doctor Who
A daring conman, Flynn Rider is so charismatic that you might not mind when he steals from you. See them in Tangled.
Leslie Knope can accomplish anything, literally anything, with a little grit and help from her office. See them in Parks and Recreation.
V is a violent anarchist with literally nothing left to lose. But, he might have a point. See them in V for Vendetta.
Cosima Niehaus loves exploring the unknown. Even her own DNA is a puzzle, waiting to be unlocked. See them in Orphan Black.
Korra is stubborn, outgoing, and faced with huge responsibilities she might not be ready for. See them in The Legend of Korra.
Both intelligent and empathetic, Remus Lupin is worn down by the weight of a secret. See them in Harry Potter Series.
Yuri Plisetsky's a hotheaded punk off the ice, incredible artist on it. See them in Yuri on Ice.
Dr. Gordon Freeman is a brilliant physicist is a quiet hero. And given all the violent aliens, he better be. See them in Half-Life.
What Ron Weasley lacks in motivation and book smarts, he makes up for in loyalty and street smarts. See them in Harry Potter Series.