Well, bipper fanfiction typically centers around the concept of Bipper, as I said before. Some stories might focus on the power struggle within Dipper's mind when Bill is in control. There could be elements of mystery as other characters try to figure out what's wrong with Dipper. And it can be really creative, with new plotlines that might not be in the original show, such as Bipper getting involved in some sort of inter - dimensional deal that the regular Dipper would never do.
I'm not entirely sure as 'bipper big donut fanfic' could be very specific to a certain fandom or someone's creative idea. It might be a fan - created story that involves a character named Bipper and has something to do with big donuts. Maybe it's a comical or strange story where Bipper has an adventure related to big donuts.
There might be a bipper fanfic where Bipper tries to take over the world in a really comical way. He could use his unique powers to create all sorts of chaos that are both funny and exciting to read about.
One common theme is the exploration of identity. Since Bipper is an alternate form of Dipper, there's often a lot of self - discovery involved. For example, Dipper might question his own nature when faced with Bipper's different characteristics.
One great 'Bipper x Mabel' fanfiction is 'The Strange Bond'. It delves into an alternate universe where their relationship takes on a whole new level of mystery and adventure. The author does an amazing job of building the characters within this new context.
I'm not entirely sure as it's a rather specific and perhaps not very common 'fanfic' title. It could potentially be about characters named Bipper and Lars and something to do with a 'big domut' which might be a creative or made - up element. Without reading it, it's hard to say exactly.
One interesting bipper lemon fanfiction could be about an alternate universe where the characters' relationships take a very different turn. For example, it might explore how Bipper interacts with other characters in a more complex emotional way, perhaps with a touch of mystery.
One good bipper fanfiction is 'The Bipper Chronicles' on FanFiction.net. It has an interesting take on how Bipper interacts with the other Gravity Falls characters.
I'm not sure of specific bipper lemon fanfiction writers off the top of my head. But you can start by looking at popular fanfiction platforms. Check the reviews and ratings of different stories in the bipper lemon genre. Writers who consistently get high ratings and positive reviews are likely to be good.