Pepe is a 12-year-old boy who lives with his grandmother, a witch-businesswoman. After discovering that he is adopted and that his parents are alive, he decides to go in search of them, but thus ends up attracting the attention of Edmundo, a biomechanical villain who needs Pepe to realize his enormous evil plan: use the boy's energy to conquer the immortality of its kind.

Pepe / Roberto (voice)
VĂł (voice)
Marilu (voice)
Guto (voice)
GastĂłn / Mario (voice)
Edmundo (voice)
CerebrĂŁo / CacĂĄ (voice)
MĂŁedĂbula (voice)
NanomecĂąnico / Dr. Trunken Schtein (voice)
CorvĂł / Pai do Pepe (voice)
MĂŁe do Pepe (voice)
Diretor da Escola / Pai da Marilu (voice)