WHAT IF SPONGEBOB SECRETLY WAS THE FIFTH SMILING FRIEND ?

Spongebob, this cute, kind, lovely, annoying and crazy little sponge.
You're probably wondering, why should HE be the fifth secret Smiling Friend?? But,
think carefully about it.. What do we know about the Smiling Friends?
They're :
-smiling
-crazy
-funny
-friends
-always something crazy or nonsense happens..

Doesn't this remind something..? doesn't this sound familiar?
Yes.You see it now. In the end, They're the SAME. Except Bob was crucified...