A Power Trio with The Hero versus The Lancer, mediated by (and sometimes fighting over) the one girl in the trio.
Two Guys and a Girl (Trope)
Thomas Jefferson Carpenter
for Thomas Jefferson Carpenter in Tropes for Superhumans
Suggested by keatoncarpenter
Sort the story, characters, etc. by tropes. Like connieblackwood said there are roughly one billion tropes so PLEASE look through them before adding one.
