Is it permissible to adopt Fatwa No. 3127 according to the Hanbali school of thought? And must the purposeful cartoon be solely religious, or is it possible to mix religion with entertainment to instill religious values as mentioned?

The fatwa referred to concerning the ruling on professional production and sale of animated films and acting, is a fatwa regarding the ruling on producing animated films and acting, what prohibitions must be avoided, and what is permissible with conditions. If the prohibitions are avoided and the conditions are observed, then it is permissible to produce films that serve religion and morals, and include permissible entertainment. As long as you adhere to the limits of Sharia, it is permissible for you to produce these films, and it is recommended to present them to scholars after their completion.