Angel Aaltonen

Angel Aaltonen (アンヘル・アールトネン) is a weaponsmith and the person credited for the creation of the Three Dimensional Maneuver Gear, an invaluable asset in fighting the Titans.

Trivia

 * His surname is Finnish, in which the word "aalto" means "a wave" and "-nen" is a usual dimulative ending in Finnish surnames. He first appears in the light novel, "Attack on Titan: Before the Fall".
 * Angel also invented the cannons atop Wall Maria. It is unknown if he made the other cannons atop the other Walls

Angel Aaltonen