The logo is aTm. But the "a" and "m" are capital but smaller then the "T".
MTV
Mtv
MTV
MTV
Mars has a red M with a blackbackground
moosas
A yellow circle with a black M inside.
Minute Maid
Minute Maid
The Mars candy bar has this logo.
The logo with two black c's where one is overlapping the other is the Chanel brand. There are two capital letter C's in black; one faces forward and the other backwards.