Jackie Joyner-Kersee (Xavier Riddle and the Secret Museum)

"Um, I'm Pretty sure this is Not a Girl, Wait a Minute, It is a Girl, Miss BG really wants to feel her right now".

--Su Ji-Hoon, The Museum Invaders

Jacqueline "Jackie" Joyner-Kersee (1962-) is an American retired athlete.

in When the Cold Breeze Blows Away, after her retirement of being an Athlete, she becomes a Soldier, She also died on suicide bombing while fighting against US soldiers.

Jackie also has a crush on Ian from Miss BG.