One possible fanfiction could be about Tien and Yamcha teaming up for a special training session. They might start off with some friendly sparring, showing off their unique martial arts moves. Tien could use his multi - form technique, while Yamcha demonstrates his Wolf Fang Fist. As they train, they start sharing stories about their past battles and how they've grown as warriors. Eventually, they come up with a new combined attack that could be used against future threats.
They could be part of a detective story within the Dragon Ball Z universe. Tien and Yamcha are hired to solve a series of mysterious disappearances. They start by interviewing different characters, like Bulma for any technological insights or Goku for any leads from his adventures. As they dig deeper, they find that the disappearances are linked to an ancient evil that was thought to be sealed away long ago. Using their martial arts skills and wits, they try to track down the source of the problem and put a stop to it.
There's a fanfiction where Tien and Yamcha are transported to an alternate dimension. In this dimension, they have to fight against versions of themselves that are evil. It's a really cool concept as it explores different sides of their characters and how they deal with seeing their own dark counterparts.
You can start by looking on popular fanfiction websites like FanFiction.net or Archive of Our Own. There are often many 'Dragon Ball' - related fanfictions there, and you can use the search function to specifically look for ones that feature Tien and Yamcha.
There are fanfictions that focus on Yamcha's backstory. For example, a fanfic might explore his life before he met Goku and the others. It could detail his early days as a desert bandit and how he gradually became interested in martial arts. This can give a deeper understanding of his character.
In a Yamcha reincarnation fanfiction, he could be reincarnated as a Saiyan. This would completely change his character arc. He'd have to deal with the Saiyan's natural aggression and warrior instincts. It would be interesting to see how he combines his old Yamcha self with the new Saiyan nature. He might struggle to fit in with the Saiyan society at first, but eventually find his place and become a powerful force among them.
A popular Yamcha fanfiction is 'Yamcha's New Beginnings'. In this one, Yamcha decides to start anew after feeling left behind by his friends. He goes on a solo adventure, meets new allies and enemies, and in the process, he redefines himself and his place in the Dragon Ball universe. It gives a fresh perspective on his character.
You can try fanfiction websites like FanFiction.net or Archive of Our Own (AO3). They have a wide range of Dragon Ball Z fanfictions, and you can specifically search for those related to Yamcha. Just type in 'Dragon Ball Z Yamcha' in the search bar, and you'll get a list of relevant stories.
One great fanfiction could be about Gohan and Piccolo's training sessions. Gohan, with his Saiyan - human hybrid power, and Piccolo, the Namekian, could be exploring new ways to increase Gohan's power. Maybe they discover a new technique while sparring in the wilderness. This would not only strengthen their bond as mentor - student but also as friends who rely on each other in battles against stronger foes.
A fanfiction could focus on Videl riding a magical creature in the Dragon Ball Z realm. This creature could be a rare find, and she stumbles upon it during one of her explorations. The story could revolve around her building a bond with this creature, understanding its needs and powers. She might then use the creature's abilities to help the Z - fighters in a battle, by riding it into combat and using its unique skills to gain an advantage over the enemy.
One possible fanfiction could be about Bulma helping Gohan with his studies. Since Bulma is super smart, she could tutor Gohan in advanced science and technology. This would not only strengthen their friendship but also give Gohan new knowledge that might come in handy during his battles. For example, understanding the principles of energy and mechanics could help him better strategize against his enemies.