 <translate> The relevant information to answer the above question is: The theme song is "The Joker," performed by Gina Riley. So, the answer is Gina Riley. <yor> Ìsọfúnni tó ṣe kókó láti dáhùn ìbéèrè tó wà lókè yìí ni pé: Orin náà ni "The Joker", tí Gina Riley kọ. Nítorí náà, ìdáhùn náà ni Gina Riley. 