I'm new to the forum
I suppose I am an aspiring standup, but right now I'm only 15 and more of an appreciator of comedy.
So, hello! 
Ahoy There!
Welcome to you good new person.
Welcome aboard Young Shaver !
Hello
Hellos a plenty
Hello there.
Hi!
Hello there (you won't get this until the morning as it it past your bedtime 
Hello!