Because you like Arnold in Hey Arnold!
Ahsoka Tano hopes to be a very powerful and knowledgeable Jedi one day. See them in The Clone Wars.
Working as a captain in the American Expeditionary Forces and a spy for British Intelligence, Steve Trevor wants to end World War I once and for all. See them in DC Extended Universe.
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.
For Wreck It Ralph, it's not easy being the bad guy. Especially when you've been designed to destroy but really desire love. See them in Wreck-It Ralph.
Oscar Martinez is a national accountant in an office of weirdos. See them in The Office.
For Jack Pearson, the best thing about having triplets is giving three times the love. See them in This Is Us.
Alfredo Linguini can whip up five star meals effortlessly. Just don't look under his hat. See them in Ratatouille.
James Wilson is a compassionate doctor who willingly plays the sidekick. See them in House M.D..