I think this may also be parodies of that doraemon parody on Carnival Phantasm on which "Grail-kun" answers the pleas of some character in a similar fashion.
JusticeItEasy said: I think this may also be parodies of that doraemon parody on Carnival Phantasm on which "Grail-kun" answers the pleas of some character in a similar fashion.
Which, in turn, is based on a common (and rather fatalistic) manzai routine.