cartoon illustration of a purple robot and a purple alien, monsters, monster character design, beautiful robot character design, robot, purple alien, monster, elaborate epic robot, 2d game fanart, digital art, 2 d digital video game art, monster character design, invader zim, delightful friendly robot, 2d game art, 2 d game art, gorgeous digital art, seductive anime art, trending artgerm, beautiful digital artwork, beautiful gorgeous digital art