Oh man, this is a pretty hard question, I'm gonna' list a few down below.
PewDiePie
TechSource
Linus Tech Tips
Unbox Therapy
CrazyRussianHacker
Taras Kul
Miraie
BeasttrollMC
Casey Neistat
Dorian Popa
These are just a few I watch almost everyday.
PewDiePie
TechSource
Linus Tech Tips
Unbox Therapy
CrazyRussianHacker
Taras Kul
Miraie
BeasttrollMC
Casey Neistat
Dorian Popa
These are just a few I watch almost everyday.