Casio
From CRC

Casio (full username: casiocalc, more commonly known as jsaidoru) is a Vietnamese programmer and a chess player. He is also known for being a calculator hacker. He is most well-known for creating the now-defunct Chat Revival Bot.
Achievements (Geometry Dash)
As of November, he has completed a total of 31 demons in the game Geometry Dash, including 22 Easy Demons, 6 Medium Demons, 2 Hard Demons and 1 Insane Demon.
These are some of hardest demons jsaidoru has beaten:
- Em Khong Hieu by Atimistic (74054225) - Insane Demon: A sync-based demon with ass gameplay bro
- Jawbreaker by ZenthicAlpha (6939821) - Hard Demon: Nine Circles but blue
- Nine Circles by Zobros (4284013) - Hard Demon: One of the most iconic level in GD
Goals
He has some impossible goals:
- Beating Bloodbath (a hard extreme demon indeed)
- Self-making programs on his calculator using ROP
- Create a chess engine
Leaked info
stop reading bruh
- He was born in 2009, so he's 16 years old now
- He is living in Hanoi, Vietnam
- His computer password is thereissomethingratherthannothing
