Helga

Helga is Captain Qwark's fitness trainer and a member of the Q-Force who debuted in ''Ratchet & Clank.

Ratchet & Clank: Going Commando
Though she is not shown onscreen, Helga is shown in the Thugs-4-Less Prison advertisement, hinting she may be a member of Thugs-4-Less.

Ratchet & Clank Future: A Crack in Time
While Helga herself is not shown onscreen, Qwark does mention her when being attacked by Snowball at the end of the game.