Conversation so far:
who are the two guys in drake started from the bottom?
OB O’Brien and Ryan Silverstein came up with the hilarious drug store skit in Drake's Started From The Bottom video.
who is Ryan Silverstein to Drake?
Ryan Silverste is Drake's cousin
who is OB O'Brien to Drake?
The star of Drake's HYFR video, OB O'Brien also raps and produces; he's listed as a co-producer on Energy from If You're Reading This It's Too Late.

Question: who else is in the OVO crew?
Self-contained rewrite: who else is in the OVO crew?