Continuity mistake: When Drake dumps out the snacks on the table with Josh's puzzle on it, he knocks the puzzle box off the table, but when Drake says "The mean man is gone" the puzzle box is back on the table.
Continuity mistake: During the scene in the science classroom, the teacher draws a circle on the chalkboard and refers to it as a picture of the human eye. In following shots, this picture constantly changes from having other parts like irises and pupils to just being a blank circle.
Answer: Ashely Blake.