He is the founder and lead vocalist of the Finnish band Iconcrash and currently working with his debut solo album.

Peuhu has played drums in several bands including Scarlet Youth,[1] Varjo,[2][3] Deadbabes,[4][5] Myyt,[6][7] Mary-Ann,[8] Billy-Goats, Jalankulkuämpäri,[9] Kinetic[10] and Vuk.

Jaani has also worked in the studio as a producer or guest musician with artists like Before the Dawn (band),[13] Swallow The Sun, To/Die/For, Thunderstone, Wiidakko[14] and Anna Eriksson.

[17] Since Iconcrash's first release "Nude" (2005) Peuhu has toured with his live band in the UK, Finland, Russia, Germany, Italy, the Baltic States and the US.

[20] 2012 Iconcrash's We Are The Night made it is UMK finals (ESC) and in 2009 Jaani Peuhu co-wrote a song called "10,000 Light Years" for the band Kwan with Pauli Rantasalmi of The Rasmus, that made it to the Eurovision Song Contest finals[21] in Finland.