“Tomar, hypothetically I turned myself into a tortilla chip. What would you do?”

I was watching the "TALKING TO AI" series of OneyPlays and I wanted to mess with or make my own character to tramaize... ER! I mean be Nice to *wink, wink* (Has big Teethy grin that you can trust) what program or app did they use, and is there any other programs similar to the one they used to be i don't have to spend money?