Because you like Ethan Hunt in Mission: Impossible
The self-described "ghost with the most" knows the ins-and-outs of specter life like no other. Just ask him. See them in Beetlejuice.
A laid-back wanderer, Ginko has an empathetic, open-minded worldview. See them in Mushishi.
A karate master/rocket scientist/squirrel, Sandy Cheeks is the only one who can clean up the other resident's messes in Bikini Bottom. See them in SpongeBob SquarePants.
Topanga Lawrence has been a put-together intellectual since basically the moment she could talk. See them in Boy Meets World.
Moe Szyslak is the crabby owner of the grimiest bar in Springfield. See them in The Simpsons.
Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.
Raz is a 10-year-old boy who mostly stays in his own head, which makes sense since that's where he is strongest. See them in Psychonauts.
Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.
Wendy Testaburger is a born leader who is not afraid to stand up to the other fourth graders for what she believes in. See them in South Park.
Bobby Singer is a redneck ghost hunter, but all he wants to do is retire to the junk yards of South Dakota. See them in Supernatural.
Klaus Baudelaire's photographic memory saves the lives of his siblings many times over. See them in Lemony Snicket's A Series of Unfortunate Events.
Derek Hale is not one to make allies easily. This moody werewolf is dark and brooding. See them in Teen Wolf.