One of Sam’s teachers told me that he was the class clown. (When my wife was told the same thing at a parent-teacher conference, she said it must be genetic.)
Sounded possibly like a bad review of his behavior, but the teacher assured me that it wasn’t, that he just says things that make even his teachers laugh.
And apparently at a much greater rate than most 3 year olds.
He also knows how to play straight man for his twin brother.
Both of them at times like to speak in lists. Here’s a recent example: