With Season 5 Making The Theory "Mind Flayer Is Overlord Of Upside Down" & Giving It A New Cool Design:

I Decided To Teach You About Every Single Variants Of The Mind Flayer

SEASON II:

• Cloud Mind Flayer:The First Ver Of The Mind Flayer, In Season II,The Mind Flayer Is Controlling Will Byers, In Which At The End Of Season II, Will's Friends Made The Mind Flayer Escape Will, And Then, El (Short For Eleven) Closed The First Portal From Hawkins Labs. Before We Get To Season III, We Need To Talk About The Mind Flayer's Ability:Control. In Which Can Take Control Form Demo dogs To Full On Humans.

SEASON III:

• The Flayed:The Flayed Are Residents Of Hawkins, Being Just Some Zombies That Sometimes Don't Attack, But They Will Play A Role In The Mind Flayer Variants Of Season III.

• Hospital Monster:It's The 2ND Most Grotesque Variant Of The Mind Flayer (At Least In Season III) , It Isn't Dying Without A Fight, But Worse Part? YOU CAN SEE HUMAN BONES IN IT, AND IT WON'T DIE UNLESS THE MIND FLAYER TELLS IT TO DIE.

• Spider Monster:Mind Flayer 2.0,The 1ST Grotesque Monster In Stranger Things Season III, Also It Killed Billy.

SEASON 4-5:

• Vecna/The Mind Lord (The NickName I Gave To The Variant Of Mind Flayer In Season 5) :The Mind Lord/Vecna Are Both The Same Thing, Since Henry Cre-I Mean Vecna Is Controlled By Mind Flayer, They Are The Same Thing, And For Those Who Thinks "Size Doesn't Matter", Heres A Photo Of The Mind Lord:

Yeah, You See Those 2 Small Things Running Away? THEYRE HUMANS