To ask for urgent nursery rhyme costume help

[MyDcAreMarvel]

Dd age five has to go to school as his favourite nursery rhyme character tomorrow. I have no idea what to dress him in. Does anyone have any easy ideas?
As a side note, I think the school are being unreasonable to give such little notice.

Ugh I hate it when they do that!

Jack from Jack and Jill. Just dress him in his normal clothes with an X of plasters on his head

Give him a bucket and go as Jack from Jack and Jill.

X post!

Little boy blue? Dress him from top to toe in blue?

Wrap his head in brown paper (not all of his head...) Jack from Jack and Jill.

Give him a toy cat - little Tommy Stout from ding dong bell.

Checked shirt and red trousers hw could be humpty dumpty?

Or little jack Horner if you feel like sending him in with a pie...

Thank you! I have a toy cat and a bucket so Jack or Tommy Stout will probably be the best.
I don't know why they picked the same week as , odd socks, spotty clothes and pyjamas! All on separate days

Shorts, smart shirt (Victorian look) and a bobbin (or part of a Diablo if you have one) for wind the bobbin up.
Wellies and dungarees. Some toy animals for old MacDonald.

DS has had to do this before the boys costumes were mainly
Little bit blue - blue jeans blue top
Old Mac Donald
Jack from Jack and Jill
Spider from Incey wincey spider
Dr foster plastic stethoscope and a base saying dr foster
One of the 10,000 men from the Grand old duke of York just a soldiers costume