Ideas for a boys first birthday party?! Theme wise!
Oh Fishally One (fishing/fish theme)
Mr.Onederful
Fast One (racecar)
The Big One (hunting)
Wild One (safari)
One year down (football, first down)
First trip around the sun (space)
How time flies (airplanes)
Our rookie is one (baseball)
Notorious One 
( reference to Biggie)
Circus
Mickey Mouse
Winnie the Pooh
Peter Rabbit