The invention of Lofty had been an afterthought, and during the casting he was still considered as something of an "enigma" to the creators and writers alike. This had made casting difficult as Holland and Smith were unsure about what they were looking for.
The development of Lofty had been an afterthought, and as it took shape, it became an enigma for the makers and writers, making casting a difficult task due to their unclear expectations.