Hanna-Barbera | William Hanna | Kathleen Turner | Kathleen Sebelius | Kathleen Blanco | Kathleen Battle | Mark Hanna | Kathleen Parker | Kathleen Willey | Kathleen Ferrier | Kathleen Edwards | Kathleen Beedles | Hanna Reitsch | Kathleen Antonelli | Jack Hanna | Kevin Hanna | William T. "Bill" Hanna | M. A. Hanna Company | Kathleen Freeman | Kathleen Cavendish, Marchioness of Hartington | Kathleen Carley | Kathleen Byron | Kathleen Brennan | Jenn Hanna | Hanna | William Thomas "Bill" Hanna | Kathleen Wynne | Kathleen Sullivan Alioto | Kathleen Robertson | Kathleen O'Neal Gear |
In addition to core band members Sam McPheeters and Neil Burke, the album features appearances from former members Kathleen Hanna (Le Tigre/Kill Rock Stars), bassist Joe Preston (Thrones; also the namesake of one of the album's tracks), and members of The Locust, Rah Bras, The Chinese Stars and Six Finger Satellite.
Contributors to Girl Germs included Kathleen Hanna; Jean Smith of Mecca Normal; Sue P. Fox; Kaia Wilson; the editors of Double Bill, G.B. Jones, Jena von Brücker, Caroline Azar, Johnny Noxzema and Rex; Jen Smith; and Erin Smith of Bratmobile.
Despite this project mostly being known for the album, Kathleen Hanna started collaborating with her friends Sadie Benning and Johanna Fateman in order to create a live version of Julie Ruin.