Dế Mèn is a popular character from the Vietnamese children's novel "Dế Mèn phiêu lưu ký" (The Adventures of Dế Mèn), written by author Tô Hoài. The story follows the adventures of a grasshopper named Dế Mèn as he explores the world around him, encountering various animals and learning important life lessons along the way. The novel is celebrated for its vivid storytelling and rich descriptions of nature, reflecting the beauty of the Vietnamese countryside. Through Dế Mèn's experiences, readers gain insights into friendship, bravery, and the importance of understanding others, making it a beloved classic in Vietnamese literature.