riddle - I'm yearning in grey

I have made films on wood.
I have stopped by a park.
Going outside late makes me happy.
I'm yearning in grey.

What is my name?

Answer

I have made films on wood.

Ed Wood was an American filmmaker.

I have stopped by a park.

Parked means stopped.

Going outside late makes me happy.

Elated means happy.

I'm yearning in grey.

Greedy as in having strong desires/hungering.