Character information
Name(s): Simon Balthazar
Alias(es): J. Balthazar
Hair: Black
Known relatives: Jacob Balthazar (brother)
Nationality: Belgian
Occupation: Artist
Status: Alive
Behind the scenes
First Appearance: The Broken Ear
Last Appearance: The Broken Ear

Simon Balthazar, also known as "J." Balthazar, is a local businessman and brother of the murdered artist, Jacob Balthazar. It is he who sells the genuine Arumbayan Idol to Samuel Goldbarr and relays this information about the whearabouts of the idol to Ramon Bada and Alonso Perez, and then Tintin.