It's more of Chi-Chi's body performing Goku's moveset. Chi-Chi Takes Matters Into Her Own Hands If you've watched Dragon Ball ...

Dragon Ball GT places more focus on the families of Goku and Vegeta than on their unrelated peers. This is what allows Chi-Chi to appear far more often than characters like Piccolo, Yamcha ...

Dragon Ball is an anime that shaped childhood ... that one of them had coldbloodedly killed Chi-Chi and Goten in their timeline to Goku. Hearing this, Goku was pushed over the edge.