Jean Grey

"Look at Jean going around, cleaning up after everyone, what an awesome person!"

-Captain Sauce

Before episode 1
At an unknown point in time, Jean joined the X-Men.

In the main series
Jean is first seen cleaning up the mess the others have made in episode 1. Later she's talking to Scott while Kevin sits on the toilet and waves at them.

Kevin Sauce
Kevin seemed to have a Crush on her, but that disappeared when he met Emma.

Personality and Traits
Jean appears to be tidy and hard-working, as she cleans up after all the other X-Men and Kevin.

Trivia
-Despite him liking her, Kevin didn't invite Jean to his first party.