No, The Cat & The Walrus wasn't a strip - nobody threw darts at the animal board to come up with that particular pairing - at least, not that i've encountered thus far. We just have some strips prepped for Walrus Whopper and Cosmo Cat, so let's enjoy them together, eh?
First up, the return of Walrus Whopper and his tall tales. This time we start with his first appearance (creators unknown) from Animal Antics #1 -
...and another fish story from a few issues later...
Meanwhile (both premiered in the spring of 1946), over in All Top Comics, Cosmo Cat was making his debut in the first issue, written by Pat Parrish with art from Ellis Chambers. (That's not an "official" assessment - but it certainly seems to be the case to me, both in artwork and in the title lettering.)
And, again, there is no official listing for the artist on this next strip, but Ellis Chambers seems most likely, and that could be a partially obscured 'E.C.' at the bottom of panel one -
Okay. I know what day it is now. Guess i'd better go get tomorrow's calendar ready to run...
pages from All Top Comics #s 1 & 5 and Animal Antics #s 1 & 3 (1946)