* elePHPant, puffy, pidgin, adiumy and nolok, which are released under CC by-sa (3.0)
* others are released under GNU GPL

MrIceBlock and Mozilla originally by (??) from original (Super)TuxKart teams, with modifications by Rudy85
Animations by Rudy85

Cartoonish character icons by Anthony Carré (Yekcim), released under GPL 2
EXCEPT Adiumy's icon, by Marianne Gagnon, based on work by Anthony Carré