tobita, eric cartman, tweek tweak, south park, lowres, !, ..., 2boys, blonde hair, blush, boxing gloves, brown eyes, closed eyes, collarbone, cup, dog, facial expression training, green eyes, green shirt, hands on own face, male focus, mug, multiple boys, multiple drawing challenge, multiple expressions, musical note, open mouth, profile, scared, shirt, short hair, sparkle, surprised, sweat, tears