Mack & Poppy are the brain/love children of longtime collaborators Macofsky and Graham, whose utter sincerity in bringing the seemingly mismatched yet clearly made- in-heaven couple to life is as much a reason for the duo’s success as their blend of stage presence, vocal chops, and off-off-off-color jokes.
— Stage Scene LA
These two lovebirds have been uncaged and their harmonies are gorgeous, which, of course, helps make up for their looks.
— Miss Coco Peru
... a fine tuned act of calibrated cheese eliciting many hearty laughs accented with actual solid vocal chops presenting songs straight up for a most entertaining 70 minutes.
— BroadwayWorld.com