Anderson has the genetic disorder osteogenesis imperfecta, a disease that leads to frequent breaks in long bones and improper healing, leaving him with a shortened stature of 3 feet 7 inches (1.09 m) tall.

Anderson had used phonetically reversed speaking as a secret language with his junior high school friends, [4] and the same method was used in the series.

[6] Anderson's character first appears in Special Agent Dale Cooper's cryptic dream about the murder of Laura Palmer, set in a red room.

Other television and film roles included Honey, I Shrunk the Kids: The TV Show, Charmed, Cold Case and Adventure Time.

When asked who provided the voice, executive producer Sabrina Sutherland replied, "Unfortunately, I think this question should remain a mystery and not be answered.