| Hans Jørgen Undelstvedt | |
| Origin: | Lillesand, Norway |
| Instrument: | Guitar Vocals |
| Genre: | Alternative rock, Indie rock, Rock, Emo, Punk rock |
| Occupation: | Singer Guitarist Songwriter |
| Years Active: | 2005 - present |
| Label: | Nightliner Records/Universal Heroes & Zeros Music |
| Associated Acts: | Heroes & Zeros |
| Website: | www.heroesandzeros.no |
Hans Jørgen Undelstvedt is the lead singer of the Norwegian rock band Heroes & Zeros.[1] He also plays guitars and samples. In addition, he writes the lyrics for his band.