What do you look like? You or object in a sentence?

What do you look like? You or object in a sentence?

It's the subject, so before you, if you are the object, you don't need to use the auxiliary verb do. The structure is the special interrogative word what + declarative word order!

What do you look like? And what do you like

In fact, these two sentences are very different
What do you look like
Look like: looks like
Often refers to clothing, appearance, expression, etc
What do you like
Often used for personal preference

What do you look like
What are you like?

Yes, what are you like?