SILLY RABBI, KICKS ARE FOR TREDS
Um, am I being really thick here? 'Cos I don't get it, I'm afraid.

I'm a bit stuck for time, so you'll have to construct your own stories for these. (Hint, If you like seafood, you'll have met most of the characters).
"I'm a prawn again, Christian"
"I know I just got back to heaven, but I must return to earth.....I left my harp in Sam Clam's Disco.
"Good morning, Mr. shark" said Ollie the Octopus, "Here's the sick squid* I owe you"

* sick squid = six quid. A quid is a pound (money)Sorry, this one doesn't work if you use Dollars. But maybe someone can re-work it with six bucks (stags?).