Possible Clues:

• Well-known; recognised
• Like something you've encountered before
• Well-known demon or spirit
• Witch's cat perhaps may be very recognisable
• Like anything you've encountered often
• Artist's provided with injection of capital — all back to normal
• Well-known; usual
• Well-known witch's cat?
• Well known from long association
• Supposedly a spirit, often in animal form, assisting a witch