Oh...and...don't do anything cliche. Be creative!
Round 1 Winners:
1st Place: Myrror
2nd Place: Mystic Dragon ("My king takes your pawn? Get it? You're the pawn?" "One more word and I'll 'castle' your head.")
3rd Place: Astra ("Why look kitty, it's a shiney object. And I just used it to check mate you. " "So...preeeetty...gaaah, I hate you.")
All of you give me three colors! =D

Round 2

What I had in mind for this one was "I'm here to lay the dragon!" >> Not that the character would actually say that...