Unsinkable jokes

People on 1912: This ship is unsinkable, even God himself couldn’t destroy it.

God: Ok, bet, where’s my icebergs?

What do you call a Titan who can't swim?

Titanic!

Imagine the Titanic with a lisp. It would be unthinkable. My version is imagine the Titanic with a lisp, it would be unsinkable.

What did the front half of the Titanic say to the other half when it hit the iceberg? I'm breaking up with you.

When they said Titanic was "unsinkable," then they said, "The World Trade Centers was uncollapsible."