LISTING REMOVED. Prancer is a gorgeous adult male of medium build. All the info I can get from his bio, but look how cute:
LISTING REMOVED. Oreo Jack is a cute girl with a silly name (which I love). She's young and medium sized.
LISTING REMOVED. Snickers is an adorable adult male, medium sized:
LISTING REMOVED. Coal and LISTING REMOVED. Elf are two pigs who share the same picture. But! If you look at the lower left corner, I suspect that's either Coal or Elf's cute bum, so I don't think this is a case of guinea twins. Coal is a female adult, medium sized, and Elf is a young female, medium sized. By the name I'm guessing Coal is the one pictured.
helpful links: Quality Hay and Pellets in bulk & Pampering your Pig & Cheaper, Larger Cages & Bedding & Essential Guinea Supplies & Proper Diet & Cavy Savvy Vets & "What's Normal? What's Not?" & "What is Rescuing and Adopting?" & Social Cause Marketing & Guinea Pigs in DC/MD/VA