Janna is shown to be somewhat of a troublemaker and has a liking for machre things. She is often known to enjoy teasing Marco. She makes a habit of stealing his personal information in a playful manner, such as his passwords, social security number, and fingerprints. She even likes to scare Marco as shown in "Interdimensional Field Trip" when she was wearing fake fangs.
Janna's role as a troublemaker is confirmed in "Girls' Day Out" when she is in Detention with Star, Serge, Ingrid, and Toby. Janna also shows to be very strategic when cutting class with Star.
Janna has short dark-blue hair and brown eyes. She wears an olive green shirt, a turquoise jacket, a yellow skirt, brown boots, and an olive green beanie hat.
"I've got your house keys."
Janna with fangs
Janna made Deputy Mayor of detention
"Tear him apart!"
"I love pink!"
"I just hate contributing to gender stereotypes."
Janna breaks into Marco's new wallet
"I've got all your sensitive information, Marco."
"You know who to call when you get divorced, Marco."