Because he was empty inside.
Asked his mum. 'Because my new sneakers hurt.' 'That's because you have put them on the wrong feet.' 'But they are the only feet I have.'
As he was about to swing to the next tree he said, "OK, Cheeta, hang on anywhere".
A caterpillow.
A twix bar
A knight in Charmin armor.
The registration of the car that ran him over!