Yaki's - The Original Teriyaki Bowl

The name of the restaurant is Yaki's - The Original Teriyaki Bowl, yet the sign under it contains:
Hot sandwiches
Bulldog
Pastrami
Cheese Burger
Fries

Huh?! And what the heck is a Bulldog?! Thank you Google: http://thehamblogger.com/1503/yakis-the-original-teriyaki-bowl-burbank-ca/ (sorry it's not a link...I'm mobiley posting)