No, Pepsi doesn't make Dr. Pepper, Dr. Pepper/Seven Up, Inc. makes Dr. Pepper.

Pepsi products can be viewed here

Anyway, that was the first question of the game so no point getting all worked up over it but Junk is right on this one. Well, i hope that you all enjoy posting and have fun gaming.

P.S. The last guess was by Red so Charger, check Red's answer for accuracy.