Two more of those "Happy Birthday" songs by Mel Blanc. If you were born in September, you're under the sign of Bugs Bunny and wherever you go in life, it's always Wabbit Season. If you were born in October, your birthsign character is Hippity Hopper, the boxing kangaroo, and it's your destiny to always be mistaken for a giant mouse. This is the only place I know of when Mel (or anyone) was required to provide him with a voice…