Jens Heinz Richard Knossalla (born 7 July 1986), also known online by his stage name Knossi, is a German entertainer and television presenter.

Knossalla had his first television appearance in 2009 as a participant in the game show WipeOut – Heul nicht, lauf!

[3] In addition, Knossalla played several small roles in the scripted reality series Richter Alexander Hold, Richterin Barbara Salesch, Lenßen & Partner, K11 – Kommissare im Einsatz, Verklag mich doch!

[1][4] In November 2020, Knossalla hosted the fourth episode of the late-night show Täglich frisch geröstet on TVNOW, produced by Stefan Raab.

[5] In addition to Knossalla as the "host" and Mark Filatov as a guest, Kai Pflaume appeared in the role of the "roaster".