dr.suess reference with the whos

what shall I do when theres a who in my shoe

I fear that if it doesn't go home and i put my foot in the shoe the who will soon be a splat

a splat that cant move around like a cat 

but this who in my shoe is ever so troublesome 

I have decided to buy a new shoe for this who and let it live there for it will be a warm shoe where a who can really be a who