There are multiple artists with this name:

1) Hardcore band from Poltava, Ukraine, influenced by the likes of Insted, No For An Answer and Rearranged. Released 4-song Demo on Backed Up Records in summer 2010.
http://www.myspace.com/honestypchc
http://www.myspace.com/backeduprecords

2) Hans Schaaf - Electronic music producer and Mastering Engineer from Berlin, Germany.

3) Honesty is bassist Takakuwa Kiyoshi (Great 3) and guitarist Aida Shigekazu (Foe/EL-MALO), formed in 2003. They’ve released two albums, their latest being American Rock in 2005. Their sound is very similar to that of Great 3 and Curly Giraffe, due to Takakuwa being the main song writer. As of 2008, no plans have been made to continue activity, and have remained that way since late 2006.
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Artist biography from last.fm