He is a little op ,but is just for fun ,if you don't like op characters ,go to ETG/CharactersData/Cactus and Characterdata.txt so in there you can edit the status and the items of the cactus iei, sorry for the crappy english is my second language.
Important item who make difference in the game: super hot watch
to you can use charged items weapons and guns i put: ChargeAmountMultiplier: 999999 RateOfFire: 99999 just to don't make the game boring.
full status:
Health: 5
Armor: 15
ChargeAmountMultiplier: 999999
curse:-100000
Coolness: 100000
AdditionalShotPiercing: 50
Damage: 3
ReloadSpeed: 0
MovementSpeed: 5
RateOfFire: 99999

I'm not putting all the items because there are so many.
needed mods: https://modworkshop.net/mod/24802
https://modthegungeon.eu/#download

I'm really thinking of making a folklore of this character in future updates, but not for now.