Thomas Allen
From Muppet Wiki
Thomas Allen is a British opera singer. Allen has performed with the Royal Opera House in Covent Garden for more than thirty-five years, performing over forty roles. He has also sung on a number of musical theatre studio cast album recordings.
Allen appeared in The Ghost of Faffner Hall in 1989, performing Don Giovanni with Fughetta Faffner in the episode "The Voice Is an Instrument".
