none other than somebody

none other than

A phrase used to indicate that the person being identified is unexpected but recognizable or familiar. Often used in describing a coincidental encounter. The mystery assailant turned out to be none other than my old roommate. The president has chosen none other than his brother as his new chief of staff.
See also: none, other

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!
See also: none, other, somebody