Mr. Twit is portrayed as a foolish character from Roald Dahl's book, "The Twits." Described as being a twit from birth and now at sixty years old, he has only become more of a twit over time. This establishes his unchanging and ridiculous nature, emphasizing his role as a comedic antagonist in the story.
The description of Mr. Twit highlights his lack of growth or maturity throughout his life, suggesting that he remains trapped in his foolishness. Dahl uses this characterization to create humor and engage readers in the absurdity of Mr. Twit's actions and mindset.