Prism (Note: I made this joke up. Sorry if this little note refracts from the humour.)
He wanted to lighten the mood in such a dim atmosphere.
If you are stuck at a red light, its the time that it takes for the occupant of the car behind you to honk his horn when the light turns green.
Because while a note makes a sound, the rest is silent.
Omega!! Note: surely it already exists but I thought of it independently and am proud of my terrible joke!
Only one of course, as we are highly efficient and have absolutely no sense of humour.
A: An Canadian not only has a sense of humour but can also spell it.
Because he is married .
Raymond
A naughty strawberry
Naughty by Nature