None other than somebody - Idioms by The Free Dictionary
none other than somebody
none other than
An unexpected but familiar person. The mystery assailant turned out to be none other than my old roommate. The president has chosen none other than his son in law as his new Chief of Staff.
none ˈother than somebody used to emphasize who or what somebody/something is, when this is surprising: And who do you think was responsible for the mistake? None other than the director himself!