Tweedledum is a character from Lewis Carroll's literary works, particularly featured in the book Through the Looking-Glass. He is often depicted as a rotund, cheerful figure who embodies a playful and whimsical nature. Tweedledum is known for his close relationship with his counterpart, Tweedledee, and together they engage in humorous debates and nonsensical conversations. The two characters represent the theme of duality and contrast, often highlighting the absurdity of their arguments. Their interactions are characterized by playful banter and a sense of childlike innocence, making them memorable figures in Carroll's fantastical world.