Duo Tropes

Tropes where two characters are paired with each other, whether as friends, lovers, enemies or any other relationship (including "X is this to Y").

This index overlaps heavily with Love Tropes, This Index Is Not My Girlfriend, Friendship Tropes, Sibling Tropes, and Foil. Compare Power Trio; contrast Solitary Tropes.

Twin Tropes is a sub-index.