Darwin is depicted as a fun-loving, upbeat, and loyal friend who always has his brother Gumball's back. He is known for being brave and willing to take risks, but can also be naive at times.
Darwin's character development takes place throughout the show as he faces challenges and grows as an individual. Overall, Darwin is an important and beloved character in "The Amazing World of Gumball" and adds a unique perspective to the show's storyline.