Lumpy

Lumpy (Voiced by Kyle Stanger) is the main character in Pooh's Hellalump Movie. His full name is Heffridge Trumpler Brompet Heffalump the IV, who lives with his mother in a part of the 100 Acre Woods called Heffalump Hallows. He got separated from his mother and meet Roo, who he became friends, the others, who at first see Heffalumps as monsters, eventually warmed up to Lumpy and his mother.

Trivia:
He appears in a few Pooh's Adventures episodes and is yet to meet Jaden, Jeffery and the others.