Mark Van Grieken has 2 Electric Callboy concerts.

Electric Callboy (formerly known as Eskimo Callboy) is a German metalcore/electronicore band formed in Castrop-Rauxel in 2010. The band consists of former lead singer of To the Rats and Wolves Nico Sallach, who replaced longtime lead singer Sebastian "Sushi" Biesler who left the band in early 2020. The rest of the band includes vocalist and keyboardist Kevin Ratajczak, the guitarists Daniel Haniß and Pascal Schillo, bassist Daniel Klossek and drummer David Friedrich.