One great 'Eastenders Fanfiction' story is 'A New Beginning in Albert Square'. It offers a fresh take on the characters and their relationships. Another interesting one could be 'The Secret Lives of Eastenders', which delves deeper into the hidden sides of the well - known characters. And 'Love and Drama in Eastenders' is also quite popular as it focuses on the romantic and dramatic aspects of the show's universe.
I don't think Darren Modok was featured in the comics. Usually, characters like this don't just pop up without notice or a lot of buzz among comic fans.
One common theme is the drama around the pregnancy. It could be about how the character deals with the news, whether it was planned or not. For example, a character might struggle with telling their family or partner.
One interesting storyline could be a character who has lost their memory and has to rediscover their life in Albert Square. It adds a sense of mystery and new relationships can be formed as others try to help them.