Beirdo
Beirdo is a group made up of Kevin Pettit, Dennis Trafny, and Dan Jaquette – three men with fine faces full of hair.
Grimacchio
Grimacchio is a duo comprised of King Friday members Ralph Andracchio and Jason Grimley.
Jessica Tandy
Current Cage Match Champion Jessica Tandy is a duo comprised of Andy Moskowitz and Jess Ross.
The Kristen and Amie Show
The Kristen & Amie Show (or The Amie & Kristen show) is a duo comprised of Kristen Schier and Amie Roe, both equally deserving of top billing.
Matt&
Matt& is when Matt Holmes invites a stranger, usually brand new to improv, on stage with him to perform a full comedy set.
[...] The 2011 Witout Awards: Best Improv Group (1-3 Members) [...]