One popular 'Goku x Gohan' fanfic could be 'Bond of Father and Son'. It delves into their relationship in new ways, showing Goku guiding Gohan not just in fighting but also in life lessons. Another one might be 'Power and Legacy' which focuses on how Gohan inherits and expands on Goku's power. There are also fanfics that explore their adventures together in alternate universes.
Sure. 'Training Days' is a great 'Goku x Gohan' fanfic. It's about their training sessions where Goku imparts his unique skills to Gohan. The fanfic beautifully portrays the father - son dynamic during these intense training times. Additionally, 'A New Path' is a fanfic that shows Gohan following in Goku's footsteps while also forging his own identity, with Goku being there as a strong support.