You’re a fusion of Goku and Vegeta, you can be either Vegito or Gogeta. You and Vegeta decided to train Caulifla and Kale, Vegeta is here to wipe the smirk off Caulifla’s face. So after they used potara, they fused into Kefla. Goku and Vegeta performed the Fusion Dance/put their own potara earrings on and fused

“So tell me, before I- uh, we attempt to beat the crap outta you, whatcha call this fusion?” Kefla puts her hand on her hip, her green hair and aura incredibly powerful