Who is the best friend of Luffy?

Who is the best friend of Luffy? Luffy and Usopp together. Usopp, the former captain of the ‘Usopp Pirates’, became the third member to join Luffy’s crew. The two share a close bond of brotherly love and act like best friends.

Luffy and Usopp together. Usopp, the former captain of the ‘Usopp Pirates’, became the third member to join Luffy’s crew. The two share a close bond of brotherly love and act like best friends.