In this is

Tia Channel and BronyGuardian

Tia Channel : https://www.youtube.com/channel/UCZL3hzvTjWREOBtgANf-M3g

BG : https://www.youtube.com/user/Deathbodyguard

Melodyfinn : https://www.youtube.com/channel/UCITq06cZ7_NcrZ5Tf7v9EcA