Tameuina Tasiaon is the final number of Season 1 of NO!'s BEYOND ??? series. It's not one of the biggest numbers in all of fictional googology. It sure as hell used to be, but now it has been far outranked by various other numbers. This number is bigger than The Galacity Metiorfinien, The Entri-End, Breakifaunt Pantilitol, and The Section Dialations. But there are numbers that are far larger than it.
FF2K's Symbol: 𓂖
This may be the origin of numbers having a complicated symbol and thought out name.