Big in Osaka, where they were first introduced.
Takoyaki (たこ焼き or 蛸焼) (literally fried or grilled octopus) is a popular ball-shaped Japanese dumpling or more like a savory pancake made of batter and cooked in a special takoyaki pan (see below). It is typically filled with diced or whole baby octopus, tempura scraps (tenkasu), pickled ginger, and green onion. …
The performance making them is as important as the taste.
Rick McCharles 
cool! I want to try one 🙂
Did you try okonomiyaki?
I think I did have the savory pancake somewhere along the line.
… never purchased it specifically, though.