I haven't met a lot of them, but I know a lot of them are VERY nice.
Kerry Butler (She is uber-sweet and has a GREAT sense of humor! She heard me play for her once, and she was excited to have heard me. Love her)
Hunter Foster (was very nice to me at Broadway on Broadway '04)
Julia Murney
Stephen DeRosa (met him at Bill Finn's second Merkin concert, he was just so nice)
Barrett Foa (he went to my camp, I told him about it and he was pleased)
Mel Brooks (I almost was speechless)
Thomas Meehan (we were chatting it up with him a couple of times)
Faith Prince (I only just meet her once after a show and she still gives me a big hug, she is so nice it's crazy)
"How could she just suddenly, completely disappear into thin water?" - The Little Mermaid