mnboyscout: The beacon was taken down recently and GZ is behind a construction fence. Here are the correct answers:
https://en.wikipedia.org/wiki/List_of_American_advertising_characters
Use last digit of year the character was introduced.
A=1944, Smokey the Bear
B=1974, The Burger King
C=2010, Mayhem
D=1921, Betty Crocker
E=1965, The Pillsbury Doughboy
F=1961, Charlie Tuna
G=1893, Aunt Jemima
H=1989, The Energizer Bunny
I=1952, Toucan Sam
J=1963, Cap'n Crunch
K=1900, Nipper the Dog (RCA)
L=1972, Little Mikey
M=1952, Hamm's Beer Bear
N=1965, Mr. Whipple