Alexander Robert "Alex" Hirsch is an American animator, voice actor, writer, storyboard artist, and producer. He is the creator of the Disney Channel & Disney XD series Gravity Falls, for which he provided the voices of Grunkle Stan, Soos, Old Man McGucket, and Bill Cipher, among others; Hirsch also provided the voices for King & Hooty in the other Disney Channel series The Owl House. He also earned BAFTA and Annie Awards for the series. In 2016, Hirsch co-authored Gravity Falls: Journal 3 which debuted as a No. 1 New York Times Best Seller and remained on The New York Times Best Seller list for forty-seven weeks. In 2018, Hirsch wrote Gravity Falls: Lost Legends which also appeared on The New York Times Best Seller list.
In Big City Greens, he provided the voice of Wyatt in the episode "Park Pandemonium".