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Tim's Grandfather is the unnamed grandfather of Tim. He isn't given a name, and appears in two BrainPOP episodes. He is Tim's paternal grandfather, according to the family tree in the Genetics episode.

LifeEdit

He is the father of Tim's Father. He is also Tim's grandfather, and the son of Timothy, a World War I veteran. He and his family immigrated from Wales. He is a skilled chess player, and beats Tim at chess frequently.

He also has a very strong Welsh accent.

PersonalityEdit

It can be seen he collects (or used to collect at one point) antique guns.

AppearancesEdit