Karl Agathon

Karl C. Agathon is a fictional character on the re-imagined Battlestar Galactica TV series, portrayed by Tahmoh Penikett. His call sign is "Helo." Agathon is an Electronic Countermeasures Officer, part of a two-person Colonial Raptor crew based on the Battlestar Galactica, and is paired with Sharon "Boomer" Valerii before the Cylon attack on the Twelve Colonies. Unlike other major characters such as Kara "Starbuck" Thrace or Gaius Baltar, the ser... more

Karl C. Agathon is a fictional character on the re-imagined Battlestar Galactica TV series, portrayed by Tahmoh Penikett. His call sign is "Helo." Agathon is an Electronic Countermeasures Officer, part of a two-person Colonial Raptor crew based on the Battlestar Galactica, and is paired with Sharon "Boomer" Valerii before the Cylon attack on the Twelve Colonies. Unlike other major characters such as Kara "Starbuck" Thrace or Gaius Baltar, the series reveals little about Agathon's life before the events of the series. It is confirmed Helo is a Caprican, which is partly why he and Starbuck knew each other. The (unofficial) backstory Tahmoh Penikett and Katee Sackhoff came up with to explain a comment from Thrace in "Scattered" that she and Helo "go way back" is the two were old friends for a long time who most likely attended the academy together as cadets and as "drinking buddies." During the Cylon attack, their Raptor is damaged and forced to land on Caprica. While making repairs,... less