Became known for his lead role as Caloy in the ABS-CBN Philippine television drama Little Champ. He's also known for his appearances in TV series such as Wansapanataym, Hawak Kamay, and Nathaniel.
He starred in his first lead role at the age of 6 in Little Champ.
He auditioned with over 100 other actors for the lead role as Caloy in the TV show Little Champ.
He was born John Benedict Ian Agustin Malatamban but goes by JB for short. He is an only child.
He starred in Little Champ with Filipino actor Jhong Hilario who played the role of his father.