Puppeteer / Unicorn Puppeteer / Jeff / Mascot / Polar Bear, Cat Puppeteer / Mr. Nutterbutter / Dog Paws Puppeteer / Funky Monkey / Puppeteer / Voice Over (voice) / Totes McGoats in Last Week Tonight with John Oliver (2014) is played by Noel MacNeal.
See the full spoiler-free cast & character guide for Last Week Tonight with John Oliver