|Age||12 (until "Have You Ever Been Unsupervised", when he turned 13)|
|Last Appearance||"The Finale"|
|Voiced By||Jeff Bennett|
Dieter Liederhosen is a German kid who attends Hazelnut Middle School and is in the same grade/classes as Pepper Ann, Nicky Little and Milo Kamalani. He appears in several episodes, the most notable being "To Germany With Love" in which he sends his father in Germany a video of his life in Hazelnut.
In "Have You Ever Been Unsupervised" he celebrates his 13th birthday.
Through out the series it is revealed multiple characters are in love with him.