>Finn and Jake are dudes who like fighting monsters and messing around and silly cool fun adventures where weird stuff happens, it's all mostly just good fun
>later
>more and more lame melodrama lore fanfic-tier shipping etc shitfests deep srs bidness explain everything, less kid just kicking monster butt and saving the day and goofing around and stuff because it's a funny cool cartoon
>this makes it more mature and deep and epic, it can't just be a fun weird show where a boy and magic dog do cool fun crazy things because that's not mature and deep and serious and that's bad we're MATURE now we're GROWN UPS *makes boring bland angsty soap opera for teens and fags*