The dog we had growing up was named after Taffy from this rhyme:

Taffy was a Welshman,
Taffy was a thief;
Taffy came to my house
And stole a piece of beef.

I went to Taffy's house,
Taffy was not home;
Taffy came to my house
And stole a mutton bone.

I went to Taffy's house,
Taffy was not in;
Taffy came to my house
And stole a silver pin.
I went to Taffy's house,
Taffy was in bed;
I took up a poker
And threw it at his head.