Drew Massey

Official Bio
from puppetup.com:

Drew Massey is an actor, puppeteer, and voice-over guy whose film credits include Muppets Wizard of Oz, The Producers, Doctor Dolittle, Cats & Dogs, Team America, and Men In Black I and II. Drew has also performed on TV in Greg the Bunny, Angel, Malcolm in the Middle, Muppets Tonight, Cousin Skeeter, Crank Yankers and in ads for Foster Farms, Sony and Levi’s. He also draws really well and loves animals.

other info:

Massey designed and built some of the new puppets that appear in Puppet Up! including Harvey (Puppet Up!), Dr. Scientist, Punk Guy, Mr. Guy, Creepy old man, Punu the Tiki God, Germ 1 and Germ 4. He also built Claude Bigfoot with Julianne Buescher, with Jane Gootnick overseeing the project.

Henson/Muppet credits

 * Puppet Up!
 * Disney Cruise Lines: Statler, Robin the Frog
 * From the Balcony: Statler, Ted Thomas, others
 * The Muppets' Wizard of Oz: Spotted Dick
 * Pizza Hut Commercials
 * Keep Fishin'
 * Muppets Tonight
 * Dinosaurs
 * It's A Very Merry Muppet Christmas Movie (Muppet performer, also cameo)
 * Dr. Dolittle: Pigeon, Lucky the Dog (rear end assistant)
 * The Flintstones
 * Cats & Dogs
 * The Producers: Pigeons
 * Muppets from Space (Muppet performer, also cameo)
 * The Muppet Show Live

Non-Henson credits

 * Men in Black
 * Greg the Bunny
 * Cousin Skeeter
 * Angel: Puppet Angel
 * Malcolm in the Middle: "Reese Comes Home"
 * Crank Yankers
 * Lost on Earth
 * Foster Farms Chicken Commericals: Tom Chicken
 * The Puzzle Place
 * Robot Chicken
 * Team America
 * The Adventures of Timmy the Tooth