Josh Cohen and Tamra Malaga perform long-form improv with a particular twist: Cohen plays almost all of his characters through puppets. And we’re not talking amateur-hour “Punch and Judy” stuff here—Cohen’s honed his skills in the employ of The Jim Henson Company, logging time inside the titular character of “Bear in the Big Blue House” and acting as Cookie Monster’s right hand for the Macy’s Thanksgiving Day Parade. As the main human presence on stage, it often falls to Malaga to play the straight man and ground the felt-and-fur insanity that surrounds her. ...