Angus Tuck is a character from the novel "Tuck Everlasting" by Natalie Babbitt. He is a member of the Tuck family, who have gained immortality after drinking from a magical spring. Angus is depicted as a kind and thoughtful man, who struggles with the consequences of living forever. He understands the importance of life and death, and he wishes to protect the secret of their immortality. Throughout the story, Angus serves as a mentor to Winnie Foster, a young girl who discovers the Tuck family's secret. He explains the challenges of eternal life, emphasizing that it can be a burden rather than a blessing. Angus's character highlights themes of mortality and the natural cycle of life.