Rovo the Mighty Dog
From superman.nu: Supermanica
Rovo the Mighty Dog
The super-powered, cape wearing pet dog of Mighty Boy who helps the lad fight crime and perform amazing mighty feats on the planet Zumoor, much in the same way that cape wearing, super-powered pet dog Krypto helps Superboy fight crime and perform amazing super-feats on Earth (SB No. 85, Dec 1960: "The Mystery of Mighty Boy! Part 1"; "The Mystery of Mighty Boy! Part 2: Superboy's Lost Friend!").
