Pretty much all publishers entered the funny animal genre at one time or another, whether it was based on animated properties or all-original characters. Harvey Comics, known today for Richie Rich, Casper, and kids' comics with characters that all looked like they were played by the same actor. They had every kind of comic before the code, including (for their time) some of the most lurid horror comics. This is from March 1947.
One thing they didn't have was any signatures.