Larry the Cucumber sings a brief song which includes several comparative adjectives. He uses the word, "wronger" in the song, and Bob the Tomato points out that it is incorrect grammar.
Rufio uses adjectives to insult Peter Pan at the dinner table in front of the other Lost Boys. After some time, Peter Pan stands up for himself and replies with his own, creative insults. This is an excellent example of how powerful adjectives can be in language.