Shiki Granbell

Shiki Granbell (シキ・グランベル, Shiki Guranberu) is an adventurer from the planet Granbell and the Demon King (魔王, Maō) of the warship Edens Zero, as well as the leader of its crew. He's also a member of the guild Shooting Starlight, the adopted grandson and the past self of the former Demon King, Ziggy, and the King of Magimech (魔械の王, Makai no Ō).