How many of these Twins-related butts can you name? Score 1 point for each correct answer on the Freshman Level, 2 points on the Graduate Level and 3 points on the Ph.D. Level. All photos were taken during the current series by Bat-operatives working under extremely hazardous conditions.

[UPDATE: The answer key is here.]

Freshman Level:

1.

2.

3.

4.

Graduate Level:

5.

6.

7.

8.

Ph.D. Level:

9.

10.

11.

12.

Write your answers in the comments below (and try not to peek!). Enjoy!