Mateusz Kwiecień

Mateusz Kwiecień is a Polish actor who has done voice work for the Polish dub of the OK K.O! Let's Be Heroes television series.

Video games

 * Martin Li / Mister Negative - Marvel's Spider-Man

TV series

 * Magic Man - Adventure Time
 * Brandon - OK K.O! Let's Be Heroes

Voice acting

 * OK K.O Let's Be Heroes 
 * Sonic the Hedgehog