Yours looks about right on the surface at least. The pairing of terms advocating with inventor is what makes it hit the mark don't you think?
It's interesting to think about in relation to others we know. I too did one a bit ago for my facebook page and was pegged as an "animated analyst."
That's a good overview but the funny thing about these are the little glitches. Mine had a suggestion: "Try to embrace the imaginative, creative part of your personality more often." Yup, I can see that because I'm really so staid and never think outside the box :-)

Me? I'm a dynamic idealist.

I'm a cautious idealist. I was amazed at how close it came to reality.

I'm a Benevolent Leader.. Which i think means I'll lead you, and understand why you think I'm a jerk :)

I'm a "dynamic visionary" (or at least I aspire to be). There's a facebook app version too.