Do these sketches look like any characters you know?

I've been getting some art done from someone for a few weeks now. I'm trying to determine if these sketches look familiar to some of you. Can you identify who they are?

Do these sketches look like any characters you know?
Do these sketches look like any characters you know?
Do these sketches look like any characters you know?

Some extras.

Do these sketches look like any characters you know?
Do these sketches look like any characters you know?
Do these sketches look like any characters you know?
Do these sketches look like any characters you know?
Do these sketches look like any characters you know?
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