Filburt (Voiced By Doug Lawrence) Is A Supporting Character In Hiccup's Adventures Of Rocko's Modern Life, He Happens to Be a Nerd Turtle, He Is A Close Friend To Rocko, Heffer, And Hiccup and The Gang, He Wears Glasses and some Nerd Clothes. His Catchprases Are "I'm nauseous! I'm nauseous!" And occasionally says, "Oh boy" and "Oh fishsticks." And Saying, "you Turn The Page and Wash your Hands, You Turn The Page and Wash Your Hands.................." And Keeps Repeating That Everytime Rocko is Working In The Comic Book Store. And Sometimes Fights with Heffer Whenever That Happens. Calling Each Other Names, And fighting. He Married To The Feline Character Named Dr Paula Hutchinson , Because He Has Feelings For Her, He usually Gets Nervous Asking Her to Marry Him In "The Big Question", And got Married In "The Big Answer" And Have Children. He With Rocko And Heffer In Various Episodes Whatever He's in. And He Goes With Rocko Heffer, And His Wife, Dr Hutchinson In Hiccup's Adventures.
- He'll Be joining In Hiccup's Adventure Team and Pooh's Adventure Team.
- He'll Meet With Hiccup In Hiccup's Adventures Of Rocko's Modern Life And Meet Pooh In Pooh's Adventures Of Rocko's Modern Life