Joshua Rush made history during his time on Andi Mack, breaking ground by playing Cyrus, theDisney Channel’s first openly gay character. And now that the series has wrapped, Rush is making some history of his own.

On Tuesday, the 17-year-old actor — who is currently voicing the title character in DreamWorks’ new animated Where’s Waldo? series — came out as bisexual, opening up about his sexual orientation in a series of emotional tweets.