He records under the name Tweaker, and has released four albums under that name: "The Attraction to All Things Uncertain" (2001), "2 a.m. Wakeup Call" (2004), "Call The Time Eternity" (2012), and "And Then There's Nothing" (2013).
В данный момент Вренна работает под псевдонимом Tweaker и на сегодняшний день выпустил два альбома — "The Attraction to All Things Uncertain" (2001) и "2 a.m. Wakeup Call" (2004).