Wild Thornberrys Wiki

Frank Hunter is Sophie Hunter's husband, Eliza, Debbie, Tyler and Donnie’s grandfather, Marianne‘s father and Nigel’s father-in-law.

Frank has a number of health problems and has trouble acting his age.

Frank was mentioned on a number of occasions but was only seen in "The Anniversary".

Frank calls Eliza "Bug". The first time he called her it in the series was in his only appearance. Eliza replied that he hadn't called her that since she was little.

Frank is voiced by Edward Asner.