Real name: Jean Wilkes
Role: Technical genius
Weapon(s): Spray bottles

A mother of two and a wife of one, HyJean is the brains behind the whole operation.

After completing a masters in chemical science and engineering, she was recruited to the Squad to develop technology and weaponry. She invented Faucet's water gauntlets and developed Sgt. Suds' soap gun.

Whilst working with the team, Cap trained her up to also become a fighter, so now she has an impressive set of all round skills.