Haruka Ayase, real name Aya Tademaru, born March 24, 1985 in Asaminami, Hiroshima Prefecture is a Japanese actress and singer. In 2000, she won the 25th HORIPRO Talent Scout Caravan Grand Prix where she was given her stage name.
In each episode, Ruff-Ruff, Tweet and Dave are called out by Hatty the Hamster to go on adventures with him. A few times in each episode, Hatty will ask a question. The three title characters will give their answers, but only one of them is correct. Hatty then asks the viewers which of the three gave the correct answer to his question.
