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Paul Reubens aka Pee-Wee Herman 'Pee-Wee's Big Holiday' on set filming, New York, America - 07 May 2015

Batman fans know that Gotham has featured plenty of Easter eggs and nods to existing Batman lore, but Paul Reubens’ casting news has upped the ante.

During the show’s panel at New York Comic Con this weekend, Robin Lord Taylor, who plays Oswald Cobblepot, aka the Penguin, announced that Reubens would be joining Gotham as his character’s father.

“We don’t know a lot about [Oswald’s] father,” said Taylor, according to Entertainment Weekly, which reported the news from the panel. “We just found out that I do have a father. And he will be showing up very soon, and he will be played by none other than Paul Reubens, aka Pee-wee Herman! He’s playing my dad!”

And it won’t be a one-off appearance, according to The Hollywood Reporter, which reports that Reubens will be a recurring guest star on the series.

This is not Reubens’ first foray into the Batman universe. He previously appeared as the Penguin’s father in Batman Returns in 1992. Tim Burton’s incarnation of the character was named Tucker Cobblepot.

Other new faces on Gotham this season include Michael Chiklis, who will debut tonight as GCPD’s Captain Nathaniel Barnes, as well as James Frain and Jessica Lucas as villain siblings Theo and Tabitha Galavan (aka Tigress).