Unfortunately, it's always the hypercubes who quit the company and move on to better things...
(Hypercubes are a special piece in Bejeweled that zaps away a lot of other gems and are often used as a last resort when there are no moves left.)
Today's cameo appearances:
1st row: Karmakat, EJ Husky, OldTiger, Drekhan Green, Soriac
2nd row: Vandal, Tyro, Nogard Flow, OmegaWolf, Felan
3rd row: Brighttail, SonicWolfe, D.Wayne, Lord Chaos, Stubat
4th row: Lupercus Whitewolf, Chaos, Steviebear Maxwell's husky gal, Antarian_knight, MishaFox
5th row: Terror Rage, TomRedlion, Dmitriy, Tickledlion, Sky
Bigger version of panel 2 here.
Edit: I mixed up a character >.< Row 2, third character is Nogard Flow, not Dominic. Sorry, Dominic, I'll save you a slot for next time!