When questioned Meddler said "Yeah, we wanted to make it feel like the champion was made out of the Hextech Crafter. So we did just that. We put Renekton, Sion, Gnar, and Morgana in the crafter. This is what came out of it.". There is no source of this, but trust me guys. He actually did say exactly that.
He ended the interview saying "Don't worry guys, I'm sure you guys will all love this new Champion. Like the rest that we have made in the past 2 years, especially Azir."
Meddler was generous enough to give us a visual of what they did: