To this day the EXO-FORCE robot minifigures are still one of if not my all time favorites among the non standard minifigures they are just so iconic : r/lego
Lego Exo-Force complete team | Mini figures, Lego, Green outfit
Exo-Force | Brickset: LEGO set guide and database
LEGO Exo-Force Sets: 7714 Golden Guardian NEW-7714
LEGO 8118 Exo-Force Hybrid Rescue Tank - Entertainment Earth
Lego Exo-Force Blade Titan with Takeshi minifigure