Because you like Deandra "Dee" Reynolds in It's Always Sunny in Philadelphia
Living with a curse, Kyo Sohma is sick of being treated like garbage his whole life. See them in Fruits Basket.
Usagi Tsukino may look like a lazy teen, but when Usagi conjures up her alter ego and calls her Sailor Scout team, no villain stands a chance. See them in Sailor Moon.
Shaun is used to being lazy. And now, you're asking him to fight for his life? See them in Shaun of the Dead.
Rayman is a fearless hero who flies into action with a propeller on his head and a smile on his face. See them in Rayman.
Gollum is slimy and seething with hatred, the last person you would want to meet in a dark cave. See them in The Lord of the Rings.
A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.
Humble, caring, and protective, Scott McCall tries to make the best of his newfound status as a werewolf. See them in Teen Wolf.
Liu Kang spends his days training his body and spirit, seeking to become the ultimate warrior. See them in Mortal Kombat.
Vash might act like a carefree, peace-loving goof, but it's not wise to underestimate this "Humanoid Typhoon." See them in Trigun.
Gotham's unhinged Clown Princess of Crime will call you puddin', then punch you in the face. See them in DC Extended Universe.
Char is always thinking two or three steps ahead of the enemy. See them in Mobile Suit Gundam Series.