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Hopediah "Hop Pop" Plantar is one of the two deuteragonists (alongside Sprig Plantar) in Disney Channel TV show Amphibia. He is the paternal grandfather of Sprig and Polly Plantar.
He is reddish orange frog with white tufts of hair, light orange chin in his elderly years and wears greyish green waistcoat with a buttoned yellow shirt, light blue ascot and greyish brown trousers with brown socks.
He is a traditional, strict and overprotective man who runs the family farm, but he is also wise. He is caring for Sprig and Polly and takes Anne into his home happily.
Anne shows them the music box, which Hop Pop says he has never seen before and goes to bed. But in actuality, Hop Pop discovers in one of his books that it is an item called The Calamity Box.
The Wrecker reappears, turns out to be Hop Pop, and he gives Anne's backpack back to her. Anne apologizes for lying to him and trusts Hop Pop to find answers to the box. Later at night, Hop Pop buries the Calamity Box, which he feels is too dangerous for anyone else to discover.
Grime and his army enter Wartwood to invite the frogs to a banquet celebrating Anne and Sasha's reunion. After Anne gives the okay, they head to Toad Tower. Sprig figures out that the banquet is a trap and they're prisoners, causing the frogs to fight back. Anne tries to rescue the frogs, but is all captured.
As Hop Pop is taken to be executed, Anne, with the help of Sprig, stands up to Sasha and defends him. Grime proposes a duel between the girls; if Anne wins the frogs can go, but if Sasha wins, Hop Pop is to die. Anne beats Sasha, but the fortress starts to explode from Wally's boomshrooms. As everyone escapes the collapsing tower, he, Sprig and Polly comfort Anne with a hug as their friend cries.
After getting back to Wartwood, he, Polly and Sprig apologize that Anne lost Sasha as a friend, but Anne tells them it is okay because she considers them her family and that they'll get through as long as they stay together anything.
- Hop Pop has 68 years old. This means that he was 58 years old when Sprig was born.
- Hop Pop's shoes have a similar appearance to Scrooge McDuck's spats.
- Hop Pop is a failed actor.
- Hop Pop has the same surname as Sprig and Polly, suggesting that the siblings' father is his son.