Answer:
I am commonly abbreviated to H
Light hides me and darkness kills me. What am I?
I can be winding and I can be straight. I can be smooth and I can be rough. Sometimes both. I start out black but fade to brown. My favorite colors are yellow and white and I love stripes and dashed lines.
I am a celebrity fish.
I stink up your breath and fights evil vampires
What gets bigger the more you take away?