https://www.zagat.com/b/the-7-weirdest-tacos-in-austin
1. Tako Taco at East Side King (butter-poached octopus)
2. Gummy Bear Taco at Torchy’s
3. Taj Taco at Fat Cactus (ground beef with curry yogurt sauce and fried chickpeas)
4. Spicy Eggplant Taco at Yummi Taco
5. Triple T at Frank (sausage, tater tots, onions, eggs and cheddar)
6. Bulgogi Taco at Chi’Lantro
7. Chicken Pad Thai Taco at Peached Tortilla
Octopus? Gummy bear? Eggplant? Moth Larvae?
As one with a culinary degree, I acquiesce to your idea that many things can be used in a taco. Many delicious things have been created through testing and experimentation throughout the years.
As for the above-mentioned ingredients, my only question is....WHY????