 Carlos, whose research name was JD, made regular appearances in the series starting with the second episode.A rather amorous fellow who was billed as the Kalahari's "Casanova", he impregnated at least four Whiskers females during the first series including Daisy, Mozart, Tosca, and Kinkajou.Despite his roving ways, the show producers referred to him as Mozart's "long-time love" due to their frequent matings.