First appearance: Batman #92 (June 1955):
First appearance: Batman #92 (June 1955):
Ace is one smart doggie. BATMAN #97 Cover by Win Mortimer.
Batman97.jpg
I love Ace
"Everything doesn't have to be about fear. There's room in our line of work for hope, too"- Stephanie Brown, Batgirl Vol 3 #5
"Quit? Like hell I will"- Bette Kane, Beast Boy #3
A slightly different version of Ace the Bat-Hound showed up in the Krypto the Super Dog animated series, as well as in the comic book that tied into that show.
From Krypto the Super Dog #1 (November 2006),
Ace is great and all that but Streaky is slightly superior