Who is pete in private peaceful?

In "Private Peaceful" by Michael Morpurgo, Pete is the younger brother of the protagonist, Thomas "Tommo" Peaceful. He is depicted as brave and supportive, often looking out for Tommo throughout their childhood and during their experiences in World War I. Their close bond highlights themes of brotherhood and the impact of war on family relationships. Pete's character serves as a symbol of innocence lost in the face of conflict.