[Prompto ends up laughing, honestly delighted, and bops Noct lightly in the arm.]

You know what? I love it! Spot and Sparky, they even match! [He puts his hands on his knees and leans down to talk to the newly-dubbed Sparky.] You like your new name, Sparky, buddy? Sparky Argentum!

[The chocobo cheeps again and turns up to Noct for treats. Feeeeeed hiiiimmmm.