Being what you think you are would mean you cannot think.
Being what you really are means you're wrong in having this.
What am I?
Hint 1:
Think about:
What kind of fish depicted in this piece of art? What could the switched-up order mean?
Hint 2:
Think about:
What kind of animal are these Docs working on? What could the switched-up image mean?
Hint 3:
Think about:
What makes this car unique? What could the switched-up image mean?
Hint 4:
Hint 5:
The last word of the title is meant quite literally. The previous hints are important for their subject matter. The strange alterations hint at how to make use of all the hints.
Special thanks to Rand Al'Thor for helping me work out the kinks in this riddle.