One is really heavy, the other is a little lighter.
or
To the mooooooovies.
or
With a cowculator.
or
None, because they were copycats
or
Nothing, peanuts don't talk.
or
A dino-sore
or
A cheetah
or
A snail because it carries it's home.
or
A try and try and try-ceratops
or
The chicken wasn't around yet.
or