Possible Clues:

• 'Diana and Actaeon' painter
• A little bird, my boy, for the artist
• Painter, colossus around Italy
• Venetian fifteenth-sixteenth century painter
• 'Christ Before Pilate' artist
• ''Pieta'' artist
• It. painter, famous for redheads
• VIP I caught going very red
• More usual name for Tiziano Vecellio, the Venetian painter
• Artist's colour