This article in Popular Science discusses how programmers of a robot dog looked to natural dog behavior to teach their creation basic motor skills, such as walking.
I want to know if less acceptable behaviors crept in to the programming.
Can It Lick Balls?
Programmers and animators love “Easter Eggs”. Little bits of programming “code” that are not evident in the normal actions of the program but can be released with secret commans (or just might be “commented” out of the program). So yeah, those actions are there. Ball licking, butt sniffing, butt dragging, poop eating; you name it!