Minions: The Rise Of Gru

A leaked Minion movie concept from Illumination Entertainment which has been found in an online survey.

Otto
In the prequel, a new character will be introduced named "Otto". A render from the same survey can be seen below:

Vicious 6
As well as a new minion, new villains are also present in the upcoming movie. They are know as the "Vicious 6" and a rough render can be found below:

Teen Gru
As the description says Teen Gru is present in the movie and an exclusive render of him can be found here: