Kataja started his theatre career as a child assistant at the
Riihimäki Theatre During
Easter from 1997 to 2000 Kataja acted as the
Easter bunny Eko-Riksu, visiting schools, kindergartens and Easter events in Riihimäki and in a morning TV show. Janne Kataja worked as a member of the culture and leisure board of the city of Riihimäki from 2005 to 2008. In 2007, Janne Kataja hosted the
Idols Extra on
Sub TV, in autumn 2007 and 2008 he hosted the
Big Brother Extra and in 2011 he hosted the Idols Studio. He has appeared as the second host of the
Hei me leivotaan! show in 2007. Janne Kataja has also developed the so-called "penguin dance". In early 2009, Komediateatteri Arena started the show
Spede ja Kumppanit, where Kataja plays the late
Ere Kokkonen. On 3 January 2011, Kataja started as the second host of the
Aamun Radio show at
Radio Nova. On
television, he has hosted the Idols Studio and the entertainment show
Teräspallit. His job at Radio Nova ended on 30 November 2011. In the start of 2012, Kataja started as the host of
Radio SuomiPOP and has hosted the
Tuntematon hieroja entertainment show on
Jim in May 2012. In autumn 2012, Kataja was one of the three new judges on the talent show
Talent Suomi. ==Family and education==