You can steal a car but you can't drive it.
Lock them both in the trunk of the car for an hour, then open it up and see which one of them is happier to see you.
You have an ax-i-dent (accident).
There's no steering wheel in the back of the bus.
A Good Start.(http://www.youtube.com/watch v=obKLdou0LH0)
Brenda
Fa Ting
Someone who steals your job then doesn't show up.
In his briefcase!
Half of what it was last week
Dr What Dr Omg I've only got half a colon