Day 18 of Toontober 2 is Conjoined!

This one is another returning character (or characters, depending on how you look at it) from the previous Toontober: http://www.furaffinity.net/view/29229270/

This time, rather than cackling as her latest creation is revealed, the mad scientist seems to have found something intriguing. Perhaps some experiment had an unusual result? Whatever it is, her companion is considerably more nonplussed.