Thanks to wtfunks for help with the pictures!
Mummy Boy Checklist:
S7 Anniversary 2008 Mummy Boy Original GID with blue sprays (public release)
S7 Anniversary 2008 Mummy Boy Original GID Unpainted (public release)
Skeletor Mummy Boy Opaque blue painted (public release)
Skeletor Mummy Boy Opaque blue unpainted (a few released in S7 Lucky Bags, other than that not available publicly)
Vinyl Toy Network 2008 Mummy Boy Clear green painted (public release)
Vinyl Toy Network 2008 Mummy Boy Clear green unpainted (a few released in S7 Lucky Bags, other than that not available publicly)
SDCC 2008 Mummy Boy Clear orange painted (public release)
SDCC 2008 Mummy Boy Clear orange unpainted (a few released in S7 Lucky Bags, other than that not available publicly)
Thrashout Mummy Boy Black painted (public release however almost exclusively sold at Thrashout in Tokyo)
Halloween 2008 Mummy Boy Black painted (public release however almost exclusively sold at Thrashout in Tokyo)
Halloween 2008 Mummy Boy Black Unpainted (SSSS Release)
SSSS Clear white unpainted (semi-public release, very limited quantity released to SSSS, a few in 2010 S7 lucky bags as well)
Midnight Mummy Boy Opaque purple painted (public release)
Midnight Mummy Boy Opaque purple unpainted (a few released in S7 Lucky Bags, other than that not available publicly)
S7 LB 2009 Mummy Boy Clear pink unpainted (public release)
Dust Brain Mummy Boy Opaque red painted (public release)
Dust Brain Mummy Boy Opaque red unpainted (a few released in S7 Lucky Bags, other than that not available publicly)
S7 LB 2009 Mummy Boy Opaque red camo by Kiyoka (public release, Hand Painted, Edition Size Unknown)
SSSS Hawaii 2010 Mummy Boy Opaque pink painted (semi-public release)
SSSS Hawaii 2010 Mummy Boy Opaque pink unpainted (a few released in S7 Lucky Bags, other than that not available publicly)
SSSS Mummy Boy Clear red painted (semi-public release)
SSSS Mummy Boy Clear red unpainted (a few released in S7 Lucky Bags, other than that not available publicly)
Metallic Mist Mummy Boy Clear purple camo painted (public release)
Metallic Mist Mummy Boy Clear purple unpainted (a few released in S7 Lucky Bags, other than that not available publicly)
Halloween 2009 Mummy Boy Clear stuffed with spiders (public release)
SDCC 2010 at Brian Flynn's signingClear unpainted (limited public release)
NYE 2010 Clear grey with GID pour inside painted (public release)
NYE 2010 Clear grey with GID pour inside unpainted (a few released in S7 Lucky Bags, other than that not available publicly)
8/21/10 Clear purple glitter painted (public release)
8/21/10 Clear purple glitter unpainted (a few released in S7 Lucky Bags, other than that not available publicly)
Hour of the Wolf Mummy Boy Clear blue painted (public release)
Hour of the Wolf Mummy Boy Clear blue unpainted (a few released in S7 Lucky Bags, other than that not available publicly)
Silver Camo Mummy Boy Silver lame painted (public release, spray pattern designed by Naoya of Gargamel)
Silver Camo Mummy Boy Silver lame unpainted (not available publicly)
Opaque maroon BF MB/MG set with blue, green, orange and pink painted versions (no unpainted exist, all editions of 10 each, comes with gator head with matching eyes and mouth, Released June 20, 2011 for Flynn's 40th birthday)
SDCC 2010 Opaque yellow Tokyo painted (public release)
Sunshine Fade Mummy Boy Clear yellow painted(I don't think any unpainted exist, public release)
P.G.I.D. Mummy Boy Opaque Pink Glow Vinyl, painted (public release)
P.G.I.D. Mummy Boy Opaque Pink Glow Vinyl, unpainted (a few released in 2010 S7 Lucky Bags, other than that not publicly available)
5/1/2010 Mummy Boy Clear grey with glitter painted (public release)
5/1/2010 Mummy Boy Clear grey with glitter unpainted (a few released in S7 Lucky Bags, other than that not available publicly)
Mummy Mania! Customs from the Crypt Mummy Boy Unpainted Flesh (public release)
S7 LB 2010 Mummy Boy Clear with glitter (public release)
SDCC 2011 B.G.I.D. Opaque Blue Glow Vinyl(I don't think any unpainted exist, public release)
A Little Bit Pink Glow in the Dark vinyl with pink sprays, released 12/16/11 (public release, pic stolen from S7 stock photos)
Friends Release Mummy Boy/Mummy Gator Unpainted Clear blue with extra MG head (not publicly available, also a darker blue colored vinyl than the HOTW release)
