The original Mr Grinch song is known as "You're A Mean One, Mr Grinch" and it was written by Dr Suess for the cartoon "How The Grinch Stole Christmas" in 1966. The song was performed by Thurl Ravenscroft, who was an American voice actor and singer.
Lyrics to the song can be found at this link: www.seuss.org.
Hope this helps!
Lyrics to the song can be found at this link: www.seuss.org.
Hope this helps!