It's not just that he does the Kaufman routines with the kind of hungry gleam that makes you think he's channeling the dead comedian.
He does a routine involving Mr. Rogers and does it very badly. 
mnli hypothesis: He does a routine involving Mr. Rogers and does it very badly.  premise: It's not just that he does the Kaufman routines with the kind of hungry gleam that makes you think he's channeling the dead comedian.