Captain Penny is Robecca Steam's pet robot penguin.
"Captain Penny is my mechanical penguin. Working wings are unnecessary when one is equipped with a rocket pack."
Captain Penny is a copper-colored robot penguin with an orange beak and white-encircled green eyes, and many rivets.
She is in frequent need of an oil change and some students call her "Grumpy Penny".
- November 9, 2011: Mattel requested the trademark for Captain Penny.
- February 12, 2012: Photos of a boxed Robecca Steam and Captain Penny from Toy Fair appear on the internet.
- February 13, 2012: Captain Penny was officially revealed in Robecca Steam's profile published on the Freaky Fab 13 microsite.
- August 2012: Captain Penny was released with the basic Robecca Steam doll.
- Between Classes
'Between Classes' Captain Penny stands with her right wing up as if in greeting.