Andrew Oikonny is the nephew of the mad scientist Andross. He formerly worked in the ruffian gang Star Wolf. After Andross's defeat, Oikonny took over Andross's vast army and battled the Cornerian Army with guerilla tactics before his defeat at the hands of Star Fox.
In Star Fox 64, he is voiced by Bill Johns in the English version of the game. In Star Fox Assault, he is voiced by John Hugil in the English version of the game.