Because you like Tatsuhiro Sato in Welcome to the NHK
Bob Belcher runs a lonely burger joint, and even though his wit is lost on his eccentric family, he doesn't let that faze him. See them in Bob's Burgers.
An upbeat, fun-loving teen, Sora would do anything for his friends. See them in Kingdom Hearts.
An exuberant prankster, Naruto Uzumaki craves acknowledgement of any kind. See them in Naruto.
Dee Reynolds is selfish, narcissistic, and a target of extremely cruel ridicule. See them in It's Always Sunny in Philadelphia .
When the safety of Hyrule is at stake, Princess Zelda does not hesitate to sacrifice herself for the good of the land. See them in The Legend of Zelda.
Angela Martin is uptight and puritanical, outside of the affair she's having with a co-worker. See them in The Office.
Wheatley's got an endless supply of bad ideas that he wants to share. See them in Portal Series.
Wanderer is a Soul, a parasite sent into a host to take over their body, extracting information from them and colonizing their species. See them in The Host.
Once a lonely hat maker, Sophie Hatter is now cleaning goo from bathtubs and cooking breakfast for the grumpiest wizard in all the land. See them in Howl's Moving Castle.