Rerenggan

Pronounced "rërënggan"/"르릉간"/"reureunggan" (ë is schwa)

Basically a Javanese decorative text bracket for titles. There are variations of this bracket, it can be anything including eagles, but the peacock tail one being the most popular and the default style for most Javanese fonts

Usually used for aesthetic letterings

If you search cute art on Pinterest, you may encounter some usernames with rerenggan, which looks like this:

꧁ name ꧂

Basically on most, if not all, cute communities