Hi Vernon,
Yes, let's give Michael a bonus, especially for that first one!

I can't resist a few more, and as slight variations seem to be permissible:
There once was an Aussie light versican
who likened himself to a pelican
His tense was terse,
His verse was worse.
He loved camping and using his billy-can.
There once was a light versican
who likened herself to a pelican
Her tense was terse,
Her verse was worse.
Her boobs have just burst! (They were silican.)
There once was a light versican
who likened himself to a pelican
His tense was terse,
His verse was worse.
But sadly he died in a hurrican.
(The mis-spellings are deliberate, btw!

)
Jayne