Jedi Ahvenus aka Rujonic started creating music at the age of 13 when he got his first guitar. But soon after that hardcore music took his heart and he started creating his own sounds with FL studio. Years went by and he started thinking about playing in front of live audience. early 2007 Rujonic got his own set of equipment and not long after he had proved his talent to the finnish audiences.
Currently hes running Kolina-production club in tampere and is one of the resident dj:s in kovaydin vastarinta's brainbashers events and has played with many underground hardcore names including Igoa, Shotgun orchestra, the untitled, junkie kut etc.. Primarily his music consists of breaks influenced core and aggressive distorted basslines and experiments with noise and speedcore.