|Kanji/Kana||ドクター・ラウドネス (Dokutā Raudonesu)|
|Unaltered Name||Doctor Roudness|
|Height||165 cm (5'4")|
|Weight||66 kg (145 lbs)|
|First Appearance||Ar Tonelico II|
|Japanese Voice Actor||Banjou Ginga|
A sinister old man at Alfman's side. He is actually a resident of Tyria's Tower. He tried to kidnap Luca several years ago for some plan, but failed and got Leyka instead. He has some nasty motives up his sleeve and seems to know Jacqli's true identity. It is mentioned in Ar tonelico Qoga: Knell of Ar Ciel that Mute is his daughter.