Conversation so far:
Who did the first riff off?
Smiley Lewis's.
What song was this?
Play Girl.
Who wasthis credited too?
credited to D.
Bartholomew.
What label is that on?
Imperial Records label.
Who else made a riff?
Jesse "Big 'Tiny'" Kennedy.

Question: What are they known for?
Self-contained rewrite: What is Big Tiny known for?