Sebastian Benedict "Baste" Granfon Arumpac is a Filipino child actor, novelty singer, and television host.

He first appeared on Eat Bulaga! when he was three years old after being invited because of his viral Dubsmash videos. In addition to his videos, Baste Granfon was an avid fan of AlDub at the time of the invitation.

He starred in his first film, Meant to Beh, at the age of five. The fim served as Vic Sotto's official entry to the 2017 Metro Manila Film Festival.

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