Because you like Miria Harvent in Baccano!
China has five thousand years of history, and he's optimistic he'll win over the Allied Powers to the wisdom of his ways. See them in Axis Powers Hetalia.
From secret organizations to alien attacks, Kyon's life has been one weird, unexplainable thing happening after another. See them in The Melancholy of Haruhi Suzumiya.
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.
After alien Haruko rides in on her Vespa, giant robots spouting from Naota Nandaba's forehead soon become the least of his worries. See them in FLCL.
Char is always thinking two or three steps ahead of the enemy. See them in Mobile Suit Gundam Series.
The pasta-loving, skirt-chasing personification of North Italy, Feliciano Vargas is decidedly a lover, not a fighter. See them in Axis Powers Hetalia.
After Rintarou Okabe develops the Phone Microwave, some of his fantasies start to seem uncomfortably real. See them in Steins;Gate.
Undercover as an average high school student, Kallen Stadtfeld is actually most at ease when the action's fast, furious, and dangerous. See them in Code Geass.
Fate has forced Amuro into the terrors of war, and he must use the Gundam and all of its power if he is to make it out alive. See them in Mobile Suit Gundam Series.
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.
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.
While his twin tries to save lives, Millions Knives does the best to end them. See them in Trigun.