Here is the full list of all 15 I'm Awesome achievements.
It's an unicorn bazooka!
...Chick-chicky-boom!
They call me Cuban Pete...
Size matters.
I'm proud of you!
Not so fast and furious.
Can you hit two in the same?!
Shut up and take my monkey!
You've been a really bad grandpa.
You know you twist so fine :)
Seriously, that's it?
That's what I'm talking about.
My pleasure, dear.
You saved more than just your points. Don't ask.
100k Points Tier.