If you want to play a fun dynamic world, DO give the GM ideas, you never know when you'll turn a slightly cool idea into a story arc, because the GM feeds off your excitement.

A recurring villain was introduced on the first session. She was a human pirate captain with very pale skin. One of my players immediately thought that she was a vampire.

...

So she is a dhamphir now. (Couldn't make her a full vampire, they met her in daylight.) Not like it gave her much of a boost except for a climbing speed and spider climb anyway.