Euler's Number
Euler's number, or e[1], is a mathematical constant approximately equal to 2.71828. How uncanny!

Enormous! E, or Echo, is an extraordinarily excellent letter that is fifth in line in The Elphabet. It kind of looks like a simplified sideways comb.
History
As stated before, E was initially exclusive to the works of Leonhard Euler.
E-tier things
- Everything
- Everywhere
- All at once
- Euler's number
- egg
- elephant
- elevator
- enter
- exit
Trivia
- A Class E illness gives you the slightest ouchie, like getting pinched.
- In Dino Swords, E summons a flip flop used as a projectile.
- Group E of the 2022 FIFA World Cup included Germany, Japan, Spain, and Costa Rica.