INTPs are rather quiet, but they are great thinkers, can think of crazy of wall ideas, and are usually good at most lessons in school, such as maths, science or english.  
Here are some fictional examples of an INTP:  
Maud Pie- My Little Pony Friendship Is Magic  
Merlin-Finding Nemo  
Joda- Star Wars  
Sherlock Holmes- Sherlock  
Hermionie Grangers- Harry Potter  
Luna Lovegood- Harry Potter  
Twilight Sparkle- My Little Pony Friendship Is Magic  
Zecora- My Little Pony Friendship Is Magic
 
And perhaps there are more but I simply can’t be bothered.  
Any fellow INTPs here?  
I personally in my life don’t now any.  
The reason why I’ve chosen a pony reading a book is since I now that INTPs are rather clever, I have gathered that they would do something smart like read or write, as INTJ got an scientist role, I think that a reader for an INTP is good enough.  
Get the INTJ one here  
INTJ pony  
and expect more mbti ponies coming in the future!