Because you like Miles "Tails" Prower in Sonic the Hedgehog
Catwoman might be slightly unhinged, but you can't say this feline villainess isn't confident. See them in DC Extended Universe.
Andrew Glouberman is trying to make it through puberty with his sanity intact. See them in Big Mouth.
The only defense Earth has against alien invaders are giant robots in the hands of pilots like Kaworu. See them in Neon Genesis Evangelion.
Kesuke Miyagi is a karate expert who thinks the best way a scrawny high schooler can learn how to defend himself is by washing every surface in sight. See them in The Karate Kid.
Michael Kelso gets by on his good looks and his openhearted nature. See them in That '70s Show.
His name is Chucky, and he's your friend till the end. Hidey-ho! See them in Child's Play.
For Sly Cooper, stealing isn't just about the haul. It's also about the journey. See them in Sly Cooper.
Linda Belcher doesn't prescribe to what society deems as "normal." She narrates her life through song, much to the alarm of everyone nearby. See them in Bob's Burgers.
Aerith Gainsborough has lived a simple life, but when the world is threatened she's willing to step up and do whatever she can to help. See them in Final Fantasy Series.