William Arthur Reiss (born May 4, 1976) is an American animator, storyboard artist, and writer.
[1][2][3] Reiss left the show during the fourth season in 2005, but briefly returned in 2009 to storyboard the main title for the 10th Anniversary special, Truth or Square.
[4] They later worked as directors for Fish Hooks, which he co-developed with Alex Hirsch for Noah Z. Jones for Disney Channel.
[5] After Fish Hooks, he worked on Mickey Mouse as a writer, storyboard artist and director.
[6] In 2025, Reiss was listed amongst the animation industry workers who had lost their homes due to the January 2025 Southern California wildfires.