Question

Question: Looking at my face, I'm no more than six.
Look at the rest of me and I'm 21.
You'll see my twin and me in Las Vegas.
Say my name and you'd be uttering a threat.

What am I?

Answer 1

A... dice?

Answer 2

die*

Answer 3

I is die :P

Answer 4

crap you got that one quickly

Answer 5

I guessed cuz u say a place w casinos and die is a threat

Answer 6

alright I started another one

Answer 7

hmmm... I made this one in my head.

I jump high, yet suck my neighbor's blood.
I send people parasites to give them 'hugs'

Answer 8

what am I?