His head's twice as big as it should be, at least--
'Tuck-too! Tuck-too!'
He's only a lizard as man is a beast.
'Tuck-too! Tuck-too!'
V
His cousin Chameleon keeps changing in hue;
'Tuck-too! Tuck-too!'
But he never alters, the steady Tuck-too!
'Tuck-too! Tuck-too!'