This is my fanmade cast for some gender-swapped characters in Futurama.
Phylis J. Fry (female Philip J. Fry) - Nika Futterman (Phylis has a similar voice to Olga Pataki from Hey Arnold!)
Turanga Leelo (or Lee for short) (male Leela) - Rob Paulsen (Leelo has a similar voice to Jack Fenton from Danny Phantom)
Coilette (female Bender) - John DiMaggio (Coilette's voice would be the same as Bender, except slightly more feminine)
Professor Hayley Farnsworth (female Hubert Farnsworth) - Kath Soucie (Hayley's voice would be similar to that of Betty DeVille in Rugrats, except much older sounding)
Cayley Farnsworth (female Cubert) - Kath Soucie (Cayley's voice is similar to Lil DeVille in Rugrats)
Andrew Wong (male Amy Wong) - Andrew Kishino (Andrew's voice is similar to Donnie in the Saints Row games)
Herma Conrad (female Hermes) - Cree Summer (Herma's voice is similar to Cree Lincoln in Codename: Ki