There are many variations of Tahu Isi in Indonesia, such as tahuisifilled with vegetable called TahuSusur(Central Java), or with fish called TahuBakso (West Java), or with meat, etc.

Tahuisi in the style of Arya Snack & Food uses a mixture of chicken and shrimp as the filling.
Savory tofu with spicy cayenne pepper is indeed tasty… maknyuuuss…