The same middle name. (Shamelessly stolen from Cortana.)
Bob
Because it keeps hitting pause.
Activates its shelf destruct sequence.
Fred: A bird that steals ma'am.
Gummy Bear
Winnie the Pooh!
Because he plays with Pooh.
They both ate honey and they both have the same middle name.
A hobbyte Cortana told me that joke
Q: What would be a terrible name for a new beer A: "Mondays"...because no one would EVER want to buy a case of the Mondays...