Chris Summers (born 7 November 1974) is mostly known for his work with the Norwegian deathpunk band Turbonegro (in Norwegian: Turboneger), where he played the drums from 1998 to 2008.
He was recently asked to resign from Turbonegro because of a damaged foot, personal priorities and a focus on other projects (as stated on Turbonegro's MySpace page).
Christer Engen is often compared to Topper Headon.
Engen has also played with the Norwegian band BigBang.
He is engaged to Norwegian singer Elvira Nikolaisen.