Actor and director Jon Favreau turns a year older today. You may remember him as Monica Geller’s boyfriend on season 3 of “Friends.” In real life, Jon is a close friend of actor Vince Vaughn, and it was the movie Swingers that provided Vaughn with his breakout role. Favreau also starred in Swingers as well as writing it. Other movies featuring Favreau include Rudy and Very Bad Things. He has turned his attention to directing and has several blockbusters (Elf, Iron Man, Iron Man 2) to his credit. Today is also the birthday of the co-creator of “South Park,” Trey Parker. Both Jon and Treyare in their 40s. Who’s older?