Ben's intelligent cousin, skilled in martial arts and strategy, supports the team.
Their family bond supports their longstanding cooperation during the investigation.
The character profiles identify Gwen as Ben's intelligent cousin and best friend.
Distrust gradually gives way to practical cooperation during the final assault.
Gwen is initially suspicious of Elena, but later fights alongside her against infected attackers inside the factory.
Her research connects Victor's history to the wider threat.
Gwen helps investigate Victor and reviews evidence showing that Victor warned about the Hive's planetary takeover.
Gwen's external defense helps protect Ben's internal assault.
Gwen fights infected attackers while Ben, as Nanomech, battles the Queen inside Victor.
Explore the full interactive character relationship map of Ben 10: Alien Swarm