Bullseye== Bill Sykes (Oliver Twist)
Timothy==The Famous Five? (Enid Blyton)
Think Pongo was the dog in 102 Dalmations but dont know the family name, Streaker Is a mystery afraid
Bullseye was owned by Bill Sikes in Oliver Twist by Charles Dickens
Pongo was owned by Mr and Mrs Dearly in 101 Dalmations by Dodie Smith.
Timothy was owned by George in The Famous Five by Enid Blyton ..familiarly known as Timmy .
Taliesin, do you mean Bob Carolgees? His dog was called "Spit" though, because it used to spit! lol. He appeared in "Tiswas" as Houdielbow. He also had a cat called "Cough The Cat", which had a very irritating [and amusing] dry cough.