He was trying to save Krypton
Some idiot pulled it out to late
None. The light bulb shall never burn out. (OK. It's more cathartic than funny...)
The cheque I just sent to Save the Children.
I'm pretty sure I saved it to make reference to eventually and now I cannot find it. There was some gold in there.
He tried to stirrup some interest!
You try your best to keep your shoes from getting wet when you go to town.
He used a krypton-currency.
Because krypton gas is odourless.
He decided he wanted to date someone in the same League.
The krypton-knight.