Question 731: Born on a Monday, very angry on a Wednesday

A simple poem collected by James Orchard Halliwell and published in 1842 with the lyrics:

____X_____,

Born on a Monday,

Christened on Tuesday,

Married on Wednesday,

Took ill on Thursday,

Grew worse on Friday,

Died on Saturday,

Buried on Sunday.

This is the end

Of ___X____.

SO ID X & the significance it bears in the comics world ANSWER: Solomon Grundy