Muffins are basically Drugs in The Deedle Universe. They make you stronger and feel good but they're highly addictive and they can make you go insane and very very very sick and die. The dealing of Muffins is mainly done by the Muffin Mafia which is lead by The Muffin Man or Bobby McMuffin(though he is more interested in destroying all Deedle and taking over the world then selling muffins.

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The cure to Muffins are cupcakes, but if you've been too badly addicted then they can't cure you.