Grandpa Phil

Phil is the major character of the Nickelodeon animated series Hey Arnold!. He is Arnold's grandfather and Gertie's husband. He runs a Sunset Arms boarding house.

He provides good wisdom and often gives Arnold for advices and tells him great story of his past experience. He is authentic and healthy in his age.

Trivia

 * He is 81 years old.
 * He has a best friend named Jimmy Kafka.
 * He has an arch-rival named Rex Smythe Higgins.