Hahaha! Subtle is not the word I was looking for... And there's always my hero Cosimo I de' Medici. He gave a rather interesting painting as a wedding gift to his bride. Himself as Orpheus, on his way to rescue his lost love in the underworld, facing the three headed beast Cerberus:

http://www.philamuseum.org/collections/permanent/52029.html
http://www.sandstead.com/images/philadelphia/philadelphia_museum_of_art/BRONZINO_Portrait_of_Duke_Cosimo_I_de_Medici_as_Orpheus_c1538-40_PMA_source_sandstead_d2h_.jpg

The placement of his bow and the way his nipple is totally randomly accentuated is quite... amusing.