I distinctly remember my 80s bathtimes involving the following:
That green robot one
Father Christmas Matey
…and probably some other ones. That’s more than four. And I suspect your frame of reference is from a similar time period to mine.
Of course, the official Matey website claims just four new fangled ones now:
Lucky (the Parrot) Matey
Doctopus the Octopus Matey
But a quick google reveals:
Pirate/Peg Leg Matey
According to their website there have also been:
Anyway. More than four.
This is perhaps the saddest blog post I have ever composed.