Powers and Abilities
Grandpa Gohan, as a student of the Turtle School, is a vastly powerful human and noted as being the second most powerful person in the Turtle Scholl behind Master Roshi until Goku and Krillin surpass them at the end of Dragonball. Gohan most noted to be the first person to teach Goku martial arts.
Techniques
Explosive Wave – A direct energy attack
Jan Ken Fist – One of the Turtle Schools early attacks. The user calls out the name and then adds either rock, scissor, or paper are corresponds with either a punch(rock), eye stab(scissor), or slap(paper).
Kamehameha Wave – The signature move of the Turtle School, Gohan leanred this move from Master Roshi. Gohan’s seems to be just under Master Roshi’s in terms of strength.
Thunder Shock Surprise – The Turtle Schools most deadly move where the user fires a large electric blast that traps the opponent and constantly shocks them as they cannot escape. This move was what Roshi used to defeat Gohan during a sparring match.
Turtle School Four Virtues – A rush attack used by Grandpa Gohan, where he attacks from the air with a variety of punches and kicks ending with a flying kick.
Other Media
Video Games
Dragon Ball: Advanced Adventure – Grandpa Gohan appears as a boss fight in line with his appearance in the manga and is then unlocked for free play
Dragon Ball: Revenge of King Piccolo – Grandpa Gohan appears as a boss fight in line with his appearance in the manga and is available as a playable character
Dragon Ball Online: Grandpa Gohan appears in the first time travel story quest for the game.
Dragon Ball: Origins – Grandpa Gohan appears as the final optional Boss for levels 1-7
Dragon Ball: Origins 2 – Grandpa Gohan appears as a boss fight in line with his appearance in the manga
Dragon Ball Z: Budokai Tenkaichi 2 – Grandpa Gohan appears as a playable character. He is whereing the fox mask that he uses to disguise himself when fighting Goku during the Fortuneteller Baba story line, though this will fall off with enough damage.
Dragon Ball Z: Budokai Tenkaichi 3 – Grandpa Gohan appears as a playable character. He has special dialogue with Goku when he is a Super Saiyan.