Pewdiepie, Smosh, or Jenna Marbles...

Improved list:
Gamegrumps
Smosh
Jacksfilms
Tobuscus
Nigahiga
Thefinebros

Vsauce!

The Yogscast <3
Smosh
Shane Dawson
Nigahiga
Tobuscus
Danebo
Skydoesminecraft

Skydoesminecraft
Splashkittyartist
Crazyhappy08
Antvenom
Aviatorgaming
And some more ^_^

JennaMarbles
Chaoticmonki
Pewdiepie
Kpopp
Fawdz
Nerdcubed
Ijustinegaming
Smoshgames
Danisnotonfire
Skydoesminecraft

NIGAHIGA AND THE FINEBROS :OO

Chaoticmonki

TOBUSCUS!

Kittywing a dit :

TOBUSCUS!

Same.

Shane Dawson
Pewdiepie
Nigahiga
Wassabi Productions
MysteryGuitarMan
Smosh
Jennamarbles
Thefinebros

Key and Peele

<3 yesss

Tobuscus, TheDetrah and Pewdie ouo

Mychonny
Chonnyday
Chonnygame
Kpopchonny
Nigahiga

Cryaotic, Harshly Critical, & Ken.
I tried getting into Pewdiepie and Markiplier but they were a little eccentric for me.

Oh uhm.. The first youtube I probably knew was Annoying orange but im gonna say Ijustine or Nigahiga also smosh but yea I think Nigahiga

Tribetwelve, MLAnderson0, EveryManHybrid, Pewdiepie sometimes, DarkHarvest00, StanFredrickBTS, WeMustCollect, MarbleHornets, TheEvilestAngel, Kihana13

Urnam7 and Fluttershyelsa are my top ones

Amazingphil and Danisnotonfire (: