Where's Wanda? / Imaginary Gary - S3-E12
Continuity mistake: When Wanda is in Level 14 Probation, Mama Cosma writes "Level 14 Probation" (in capitals and lowercase letters) on the board, but when Wanda yells "NO..", the board reads "LEVEL 14 PROBATION" in capitals.
Where's Wanda? / Imaginary Gary - S3-E12
Continuity mistake: Gary does a sliding trick with the apple, eats it, and throws it as if Timmy were beside him, yet at the next shot, only Mom and Dad are there, not Timmy. Also, Timmy is farther away from Gary.
Answer: There is no specific character he is parodying, just brute characters that take animal names and costumes, like the Rhino.