Hey Dave, hope you have a good one...
Dude, Dewd, you're getting older! Happy Birthday!
Many happy returns, Dewd!
Duuuuuuuuuuuuuude! Happy Birthday!
Happy belated Birthday Dave
Dude, Wake UP....It's your Birthday!
A belated Happy Birthday, Dewd!
D'oh!, missed it, Happy Belated B-day!
Happy Bloated Birthday, dewd!