__Affiliation__: Erebonian Imperial Army 7th Armored Division, Arnor Royal Family
__Nationality__: Erebonian

A member of the prestigious Vander family and the son of Mathias Vander. Half-brother to Kurt Vander. He is the loyal bodyguard to Olivert Reise Arnor. Mueller is a member of the 7th Armored Division in his station as a member of the Imperial Army.

Manga about Leonhardt's life within the Sora no Kiseki story.

Season 2 of Minna Atsumare! Falcom Gakuen.

Birth place: Tokyo, Japan  Height: 173cm  Weight: 60kg

A 4-koma slice-of-life comedy manga in which characters from various games released by Falcom (e.g. Dragon Slayer, The Legend of Heroes and Ys series) come together in a school.

Mueller Vander