Lelouch Lamperouge is the protagonist of Code Geass. He's one of the most complex characters in the medium.
Naruto Uzumaki is one of the original "big-three" shonen heroes. He started at the bottom, but now he's the Hokage.
Levi Ackerman is widely considered one of the best shounen heroes of all time.
L Lawliet is one of the most recognizable anime characters of all time. He has plenty of likable qualities.
Luffy is widely regarded as the leader of Shonen Jump's "big three." He's the captain of the Straw Hat Pirates.
Zoro from One Piece is one of the most beloved characters in the series. He proves supporting characters.
Light Yagami is the protagonist of Death Note. After appointing himself as the "God of the New World.
Rintaro is the eccentric protagonist of Steins; Gate. He's the ultimate mad scientist.
Even though Gon is the protagonist, Killua truly stole the show in Hunter X Hunter and had rich character.
Fullmetal Alchemist is widely regarded as one of the best shonen titles.