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I'm Mr. Know-It-All. Let me give you some advice.

— Mr. Know-It-All, Sonic Adventure

Mr. Know-It-All (ものしり Mono shiri?) is a human that appears in Sonic Adventure and Sonic Adventure DX: Director's Cut. He is a smug child who can be found in Station Square. He can give hints to the player about the gameplay, if talked to, which is mostly information about the attacks the playable characters can use and how the player can use them.


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