Cosmic Brain

Cosmic Brain is the largest Mechanotesseractoid brain in the Universe. It has a data processing rate of around 10 Qb/s, making It able to completely understand the workings and interactions between every being of several galaxies. It can also convert information directly into matter and energy, an ability shared by very few beings.

Age
The age, and construction, of Cosmic Brain are unknown to the Universe, save for Cosmic Brain (but It refuses to reveal any part of its past).