Male Avatar Voice 1...

[Rainy days.]

Correct me if I'm wrong, but is that Cathy Weseluck's voice?
And if that's the case, then I find it hilarious how we almost had dragon as a possible type of Avatar.

[Smugass Braixen-Chan]

Not sure why they'd cast a woman for the male voice, even if Cathy does VA a male character.

The only VA listed on Avatar's page is the Japanese VA for Sticks the Badger.

It seems like each localization has a different VA for the avatar (Not really sure why, though. But I switched the game to Japanese and ran my avatar into a bunch of robots over and over again, and he had a different voice)

Here are the list of VAs from the credits Here
It doesn't say who is the voice of who, though (The parts in perenphesis was added by me)

Roger Craig Smith (Sonic)
Mike Pollock (Dr. Eggman)
Colleen O'Shaughnessey (Tails and Charmy)
Travis Willingham (Knuckles, Storm and Zavok)
Cindy Robinson (Amy Rose)
Kirk Thornton (The Dark-Lord of Edge himself. Also Orbot)
Wally Wingeri (Cubot)
Keith Silverstein (Vector)
Karen Strassman (Rouge)
Vic Mignogna (Omega)
Liam O'Brien (I͏͠n͢f̶i҉̸ni̢t́͢͠ȩ̕)
Quinton Flynn (Silver)
Matthew Mercer (Espio)

Not seeing Spike anywhere. But Avatar would probably be one of those.

[Rainy days.]

Originally posted by Smugass Braixen-Chan:

Not seeing Spike anywhere. But Avatar would probably be one of those.

I mean, it's an optional voice that doesnt exactly have speaking roles, outside of grunts/etc, so it's understandable why it would be uncredited.
I'm merely stating that shes the voice for the 1st selection, which I find to be rather cute.

[Smugass Braixen-Chan]

All three voices are probably the same person. I reckon they'd just get one of the existing Sonic VAs to do it, no need to pay for somebody else just to grunt into a microphone, especially somebody semi high-profile like one of the MLP VAs.

[Rainy days.]

Originally posted by Smugass Braixen-Chan:

All three voices are probably the same person. I reckon they'd just get one of the existing Sonic VAs to do it, no need to pay for somebody else just to grunt into a microphone, especially somebody semi high-profile like one of the MLP VAs.

Voice 2 sounds almost identical to Sonic's current VA.
Voice 3... I have no idea who it is.

[Cross]

Yeah, I DO wonder who voiced what for all six of the Avatar's voices, both the Japanese and international sets (At least with an English version of the game with the voices set to Italian, Spanish, German and French, the Avatar's voices remain the same as the English ones).