Jenny is a human from the United States. They are a FBI agent, being the assistant of Mr. X. As well, Jenny is a silent yet stoic, and hardworking individual, hardly ever showing any emotion—except when around Mr. X—who appears to be very intelligent, as seen through the skillful use of high-tech devices. Jenny is very loyal to Mr. X, helping Mr. X while also blushing at Mr. X’s compliments of him. Lastly, Jenny mainly does gestures to speak because of his silence.