Willpower Smurf (Empath stories)

Weakling is a Smurf character who is part of the EMPATH: The Luckiest Smurf story series. He was originally a Smurf who lacked self-confidence to do anything for himself until Papa Smurf showed him through the use of a placebo that he called Can Do It Cream that he could do anything he can set his mind to doing.