Zach Hadel, known by his pseudonym psychicpebbles, is an American YouTuber, animator, writer, director, and voice actor. He and Michael Cusack are the co-creators and co-stars of the Adult Swim animated series Smiling Friends (2020–2026). He is also known for his Internet animations, for co-founding the independent animation studio ZAM Studios, and for being a co-host of OneyPlays, a Let's Play web series created by Chris O'Neill.