Bassist, pianist, keyboardist, and backing vocalist for the German pop punk band Tokio Hotel.
He already knew drummer
With Tokio Hotel, he won a MTV Video Music Award for Best New Artist in September of 2008. They have won several other international MTV Music Awards as well.
He was born in Halle, Saxony-Anhalt, Germany.
He performs alongside Bill Kaulitz in Tokio Hotel.