In the first Toxic Avenger movie, Melvin's blind girlfriend's name is Sarah. Her name is changed to Claire in Part II.
When Toxie crushes one of his enemies in a wheelchair and his intestines are pushed out, one shot shows his intestines already hanging by his legs. By the next shot, his bloody intestines are being pushed out again.
The amount of blood on the rosebush victim.
A rosebush is placed over the dead victim, yet the next shot the rosebush isn't on the victim's face.
In between shots of Toxie squishing an assailant's nose into a fish, the two schoolgirls in the background disappear.
Toxie uses his mouth's heating ability to boil a fat assailant in 200° water; if it was that hot in the tub, the water should be steaming profusely and the guy's skin would've been peeling away at that point.
The donut swimmer is clearly smiling as opposed to being frightened by Toxie's presence.
When Toxie spins a yellow Apocalypse, Inc. worker, it's an obvious dummy.
Throughout most of the interior shots of the taxicab toward the end of the movie, the background is clearly blank.
When Toxie's taxicab and the red car crash into each other, there are no drivers or passengers in neither of the cars.
One of the two goons is laughing before he shoots Toxie, yet the visuals do not match up with the sound.
When Sarah rushes inside with the bomb package, a branch gets pushed out of the camera's way.
(Around 11 mins) The shadow of the boom mic passes over the vehicle's roof.