Choji Akimichi
The Heart of the Akimichi Clan. He has the Akimichi build. Below 50% health he takes 30% less damage and food heals him twice as much.
Jutsu kit
Kit jutsu show up more often on level up. Some are only learned later in the saga, as in the series.
You puff up like a ball and roll over the nearest enemies, flattening anyone in between.
One arm grows giant and sweeps the enemies in front of you.
You roll covered in kunai, and anyone who steps on your trail gets skewered.
Chakra wings from your back. A shockwave, then +25% damage and +15% speed for a few seconds.
Plus every Academy jutsu: Shuriken Kunai Shadow Clone Jutsu Poisoned Senbon Paper Bomb Kunai Kunai Rain
Secret technique and evolutions

Secret technique: Expansion: Giant Fist

+30 health, +1 armor, +10% damage
Secret technique: Giant Human Boulder

+40 health, +1 armor, +20% damage
Secret technique: Butterfly Fist
Forms change with the saga
Some evolutions change look as you move forward in the story. Level and bonuses stay the same, while title, sprite and secret technique change.
Lv 20

Secret technique: Butterfly Bullet Bombing

Secret technique: Butterfly Fist
Secret techniques in action
Every form has its own secret technique, with its own effect. The strike hits every enemy around the ninja.
6 costumes: you'll find them with their conditions on the ninja's sheet, in the game. The almost-ready ones are in What to do now.
Possible combined jutsu
Fusions Choji can obtain alone at the Seal Altar.
Build tips
His kit's natures: Taijutsu Weapons Pure chakra.
Tools that boost the kit
Team 10: right away if you choose it at the start, otherwise with the Bell Test