Markus Grosskopf

In 2017 he and his fellow band mates Kai Hansen, Michael Kiske, Sascha Gerstner, Andi Deris, Michael Weikath and Dani Löble had participated in the 'Pumpkins United' Reunion Tour.

In 2015, Grosskopf performed with Judas Priest in Belgrade, Serbia and following it, performed in countries such as Russia, Japan, Australia and the United States.

In 2011 Grosskopf with Helloween band performed in Greece. During that time, he along with Andi Deris and Uli Kusch had recorded Master of the Rings.

He also worked with the band Kickhunter, which released in 2002 their first album Hearts and Bones on which Markus played the roles of bassist, guitarist and producer, then again on the Little Monsters album released in 2007. His most recent endeavour is his bassguitar-focused side-project, Markus Grosskopf's Bassinvaders.

Grosskopf's first side project was Shockmachine where he played both bass and rhythm guitars. They released their first album, Shockmachine, in 1998. He played bass on the first two albums of Edguy vocalist Tobias Sammet's project, Avantasia, issued in 2001 and 2002. He played on Uriah Heep members' arranged orchestral version of Salisbury released on video in 2001.

Markus Peter Grosskopf (born Markus Peter Großkopf; born 21 September 1965, Hamburg) is a German musician and songwriter, best known as the bass guitarist, backing vocalist and founding member of power metal band Helloween, and one of only two remaining original members who have remained in the band since their formation, the other being Michael Weikath until 2019 when founding member Kai Hansen rejoined the band. Markus Grosskopf's family members currently live in South Africa, Canada, the United States, and Germany.