They were closely allied with Shane McMahon, also from Greenwich, often helping him defend the WWE European Championship throughout early 1999. They became part of The Corporation and later The Corporate Ministry but were not considered major forces by any means. They also attempted to help Shane defeat Test at SummerSlam '99, but failed.
Pete Gas and Rodney were legitimate school friends of Shane McMahon, whereas Joey Abs was a professional wrestler who was brought in to be the 'worker' of the group. Rodney was also an accomplished wrestler. Abs got his start in Omega Pro with the Hardy Boyz and worked his way through the WWF. Abs even owns a win over Steve Austin in 1996. After the Posse split up in 2000, Abs went to Ohio Valley Wrestling and had a somewhat successful run. After the break up, Rodney became Rodrageous, and Gas continued the Pete Gas gimmick. All three were released in June 2001.
For singles accomplishments, see each member's respective article