Markus "Captain" Kaarlonen is a Finnish musician, songwriter, producer, and the keyboardist of the rock band Poets of the Fall. Kaarlonen first became known in the underground with his Amiga MOD music in the early 1990s. His first commercial album was released as Dance Nation's album Dawn in 1994. After that he worked as producer for pop group Aikakone.
Kaarlonen also worked for the software company Futuremark as a Senior Web Developer and Audio Designer. He has also composed and/or produced music for video games, including Rochard, Max Payne 2, Alan Wake, and Shattered Horizon.