Why all characters' arms/legs in Adventure Time are so soft

How can they be so long and soft and even make arms waves? Have they not got any bones? The dog Jake has magic, so it's no problem that he has soft legs, but it doesn't make sense that Finn has soft

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Why all characters' arms/legs in Adventure Time are so soft

I had no idea Finn's arm could bend that way : r/adventuretime

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Y'all think it's weird how Finn's arm changed from the bar scene

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I think Finn might lose his arm soon(Adventure Time) - Off-Topic

Why is the design of Adventure Time characters so stupid? - Quora

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