He/she has been on the site since Jan 2009.
This is shown as the first post.
The screen name translates from Argentine to:
Parrilla” means grill, and refers to the actual open-fire hearth and grates where meat is cooked. It also translates to “steakhouse ,” or more fittingly, any establishment — from fine dining to street cart — that specializes in grilled meats.*
I agree, there need to be more details.
* I was a CIA interpreter, in my working career.