Because you like Margo in Paper Towns

Kagami Hiiragi keeps her grades up, helps at Takanomiya Shrine, serves as class president, and hangs out with her friends. See them in Lucky Star.

Greg Hirsch is new to the Roy family's cutthroat world of wealth and privilege. See them in Succession.

With his perfectly combed hair and flashy military outfits, France can charm the pants off of anyone—well except his fellow nations, it seems. See them in Axis Powers Hetalia.

Insightful about everyone else's neuroses, Rose Lalonde is not as aware of her own. See them in Homestuck.

The last war left his economy devastated, and now Germany is engaged in another war and stuck with two barely trained allies for help. See them in Axis Powers Hetalia.

Guillermo is the best servant a vampire could ask for. For years now. Not that he's counting. See them in What We Do In The Shadows.

Konata Izumi has a live-now, worry-later view of the world. See them in Lucky Star.

Mike Ehrmantraut is rutheless, merciless, and probably the most endearing hitman you've ever met. See them in Breaking Bad.

Years of being the less desirable Vargas sibling have given Romano quite an inferiority complex, as well as the temper to match. See them in Axis Powers Hetalia.

Kendall Roy is a wanna be ruthless businessman who comes across more like an anxious teenager. See them in Succession.

Years of brutal winters, foreign invasions, and crippling loneliness have left Russia's mental state far from wholly intact. See them in Axis Powers Hetalia.

A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.