Because I think there is some misunderstanding between cats and mice, which makes them a pair of enemies. I don't think it is a misunderstanding that they become enemies, because their loneliness is a kind of competition.
Because their plot is wonderful, because they have no lines and are very powerful. I think, because they have no lines, they only rely on their classic movements. I think it's quite powerful. Jerry always beats Tom. I think Tom is better, because I think they are good partners. They are all very powerful.
I think they are all good, but there are some good people, but I think Jerry is better, because their wonderful plot is good, and Jerry's heart is good, because he can help other animals escape from Tom's clutches every time. I think they are all good, and the methods are very good. Jerry is a mouse. Although he is small, he is very good. I think, I think they are all fine, because of Tom's mood.
Judging from the plot, Jerry is smarter than Tom because of the need of the plot, because Tom is stupid. I think this is also good. I think Tom is in a very unhappy mood. I think they all weigh the same.
Finally, I think Tom is stupid and Jerry is smarter, because Jerry has a small head, but inside it is the essence.