Conan O'Brien lookalike says he's Conan's son

Laughing Squid: "Greg Keating claims he was conceived while his mother was working for NBC at 30 Rockefeller Plaza in 1993 (the year O'Brien began hosting Late Night with Conan O'Brien at NBC's 30 Rock studios)." He says later in this video that Conan is his dad.

The resemblance is uncanny, but it doesn't mean Conan is Keating's dad. For instance, these two men were unrelated: