Groom
He's the groom. If you haven't figured that out by now we're in trouble.
Bride
Mother of the Groom
Matt's mother, an ever-patient saint of a woman, who must constantly bear the burden of knowing which of her two sons is her favorite.
Mother of the Bride
Father of the Groom
Matt's father and the parent who scared Matt into avoiding most of the trouble that could have come his way. Upon learning of their engagement one of the first things he told Lisa was, "No returns, no exchanges."
Officiant
Best Man
Nick (or Cooper as he's known these days) and Matt met in Boy Scouts, where Matt immediately did not make a good impression on Nick. Thankfully, soon thereafter they met again, bonded over their love of all things nerdy, made what are arguably the finest movies ever produced by anyone under the age of fourteen, and went on to become lifelong friends.
Maid of Honor
Groomsman
Dan is Matt's younger brother and despite that fact was still invited to be part of our wedding party. After many years of bickering (and perhaps more aggressive disagreements), as brothers do, Dan and Matt have come to trust each other to backup any story the other might tell, except if its funnier to hang their brother out to dry.
Maid of Honor
Groomsman
But for Chris, Matt and Lisa would never have met and each would have been doomed to wander the Earth lonely for eternity. They owe all their happiness to Chris and will rue the day that Lisa decided that Chris could not officiate the wedding.
Bridesmaid
Groomsman
Travis was one of the first people that Matt met in high school during preseason marching band rehearsals. After more than two decades of friendship and any number of questionable decisions, Matt still wants to know how Travis ended up a tie of Matt's that he'd never worn in Travis' presence during their Senior year of high school.
Bridesmaid
Groomsman
Contrary to appearances, Chad is not a super villain but rather a misunderstood genius who is attempting to save a world that doesn't appreciate him. Chad and Matt met in high school and survived years in the restaurant industry together, though no more can be said about those times due to the non-disclosure agreement both have signed.
Bridesmaid
Groomsman
John is Lisa's younger (but not littler) brother. Through the years that Matt and Lisa have been together he's always been supportive of their relationship and attempted to teach Matt the many things that are important to know if one is to live a safe and productive life with Lisa. Some of those things, such as the need to give Lisa regular noogies, Matt is sure are optional, but Matt has taken to heart John's request that he take good care of his sister.
Bridesmaid