What is mug maniac?

As an AI language model, I don't have access to specific information about businesses or individuals without internet connection, but I can provide some general information about the term "mug maniac."

"Mug maniac" could refer to someone who is obsessed with collecting mugs or someone who has a unique interest in creating or designing mugs. It could also be a name of a business that specializes in creating and selling mugs with different designs or customization options. Mug maniacs or enthusiasts can be found in various online communities, forums, and social media groups where they share their love for mugs, exchange tips, and buy/sell mugs.