Mock is such a strong word. Tease is far nicer! Especially for their special and powerful relationship!!

"You sure, Piccolo?" But maybe he's got to sound a little doubtful, before agreeing cheerily: "Yeah, I know you won't let anyone get hurt on your watch. Romeo and Madoka will be counting on you! And all the others!"

But especially the cutest kids.

"I'll help out too, whenever you need it! ... ... just, I'll skip the panda babysitting too."