Two roads diverged in a forest, and Tobirama chose the one less traveled by, thus embarking on a different path from his brother.
Six Paths Madara x Mizukage Tobirama
Madara is Madara from another world, so there are two Madaras; Mizukage Tobirama is Tobirama who has embarked on a completely different path of peace from his brother, and the six-path Madara is represented by [Uchiha Madara].
Purpose: Strive together for an ideal world