Will Colbert appeared in season 8's "The One With The Rumor". He was portrayed by Brad Pitt.
Character
Will Colbert went to the same high school as Ross, Monica and Rachel. He was extremely overweight and Monica was referred to as "his thin friend". Rachel was very mean to Will in high school, to the extent where he created an "I Hate Rachel Club" with Ross (Ross only joining because of his love for her) and a foreign exchange student, who most likely wasn't aware of what the club was. They spread a rumor about Rachel being a hermaphrodite, not only was she oblivious to the rumor, but she was also oblivious about everyone in her school (and even Chandler's school) knowing about it.
After high school, Will gets into very good shape and grows up to become a commodities broker, claiming it isn't interesting, but at least he is "rich and thin." In "The One With The Rumor", Will comes to Monica and Chandler's for Thanksgiving to re-live their surprising high school years. he now has rejoined the group with many other friends stars who did hate Rachel now with T-shirts and a fan club to
Relationships
Ross Geller
Ross and Will were friends in high school and together they did an I-Hate-Rachel-Club. Ross only joined it because of his love for her and together usually did it, like in Ross's bedroom and at school. The last time they saw each other was at Lance Davis's graduation party. They reunite in the episode where Will comes for Thanksgiving dinner and they regain their aquaintance. Throughout dinner, when Will is hostile to Rachel, Ross doesn't look too happy about what is going on. Will also gets very upset when he learns that Ross went out with Rachel when he and the former had a pact about the club because it had the word "eternity" in it. When the two men reveal the rumor they made about Rachel about being a hermaphrodite and Rachel becomes tearful and upset, Ross and Will smile happily, but when Rachel stormed out, Ross felt guilty at his actions while Will continues smiling. Later, when Rachel tells everyone about Ross making out with the high-school librarian, Ross gets furious and soon decides to get back in the club and high-fives Will. Will then becomes shocked to learn that Ross got Rachel pregnant but proud that they're not getting married. He tries to high-five Ross again, but Ross ignores it. It is unknown what happened between them after Will left at the end of the episode.
Monica Geller
Will and Monica were quite good friends in high school since they were both overweight, but it's likely the friendship got strained due to Rachel being Monica's best friend and Will hating Rachel.
Rachel Green
Will had a strong dislike of Rachel. In high school, she was very mean to him and constantly made fun of him because of him being overweight. Due to this, he made an I-Hate-Rachel-Club with Ross and another student Ta-Taka-Ki-Kek from Thailand who had no idea what the club was. Will continued to hate Rachel, unlike Ross, who loved Rachel dearly (only joining because of his love for her).
Appearances
[[The One With The Rumor] 2011