Jen and her friend Mump have just finished playing a game. They left a game for you. However, it isn't the game they played. Their game for you is a name game, which plays like this:

Given the title of their game: "JEN VS Mump" Discover the names hidden in their match title. They said this would help you:

As for the names and their number we give you this inkling,
The lone micro-stride is closest to what we're thinking.
The names in total are 3 by 3 of a kind,
You may find fame when you arrive, more so if others there you find.