<P> John `` Herbert '' Silverbird is a fictional character in the animated television series Family Guy . He is voiced by Mike Henry , who also designed the character . Herbert is a World War II veteran who is an elderly neighbor of the Griffin family . He first appeared in the season 3 episode `` To Love and Die in Dixie '' . He is attracted to young boys , and harbors unrequited love for underage teenager Chris Griffin , though most other citizens of Quahog are oblivious to his sexuality . Henry defines Herbert as a pedophile , although speaking in clinical terms this is not the case . </P>
who does the old man voice on family guy
Mike Henry