Likes:
Sweetbreads
Goose and chicken liver pate, but not true FG due to the means by which they produce it.
Pig intestines
Tripe, if prepared properly
Chicken/turkey giblets in gravies and stuffings
Uni (sea urchin gonads, I believe)
Ankimo (monkfish liver)
Amaebi (sweet water shrimp) heads which have been either deep fried or cooked in miso.
Lobster tomalley (liver and pancreas)
Pork belly (cured or smoked)

Dislikes:
Kidneys
Mammalian liver
Brains (Mmmmmm, brains)
Tongue
Testicles
Eyes (fish, fowl or mammal)
Pig ears (wife likes these)
Duck or chicken blood
Snouts