Born on April 11, 1998 in London, England, Oliver Dillon is the current voice actor for Lumpy the heffalump. He assumed the role for the CGI-animated My Friends Tigger & Pooh. His other work includes the voice of the character of Nok Tok on the British series Waybuloo.
Oliver Dillon was born with cystic fibrosis and has suffered through a number of infections. He is said to enjoy the escape offered to him by acting.