Rabbidog (ラビドッグ Rabidoggu) was a monster that appeared in episode 25 of Ultraman Taro.
Subtitle: Space Dog (宇宙犬 Uchūken)
Rabbidog was Ultraman Taro's pet who resided in the Land of Light. When Taro returned to M78 to recruit the help of the Ultra Brothers from Mururoa's crisis on Earth, Rabbidog greeted his master as he entered the Land of Light. The tiny creature followed Taro to the Ultra Tower - were he left the Ultra to his quest.
- Rabbidog is the first and one of three monsters whom would act as a pet for an Ultra, the others being Ron and Guardie.
- In a manga, Rabbidog was revealed to have died when Alien Temperor attacked the Land of Light. Taro had visited his grave sometime later while his father, Father of Ultra gave Rabbidog the honor of being the "seventh" member of Ultra Brothers.
- Height: 30 cm
- Weight: 2.5 kg
- Origin: Nebula M78
- Powers and Weapons
- Flight: Rabbidog is capable of anti-gravity flight.