Wow, the movies changed so much from the novel! They portray the monster as a big, lumbering idiot compared to the monster in the novel. The monster can talk very well. He's capable of learning how to survive on his own and he learns very fast. He has feelings and knows how to identify them and express them. I much prefer the book's version of the monster over Hollywood's.
Also, they portray Victor Frankenstein as a mad scientist, when he is simply a scholar who let his curiosity get the better of him; creating something he couldn't face and negligently unleashing it upon the world. He's not crazy, just irresponsible and negligent - similar to a father abandoning his young, he turns his back on something that depends on him because he doesn't want it.