→Personality and characteristics: tweak
Stufful was a carefree Pokémon, constantly walking throughout the conservation area of [[Aether Paradise]]. It is also a very affectionate Pokémon, as shown in ''[[SM096|Don't Ignore the Small Stufful!]]'', where it grew attached to [[Jessie]] by grabbing on to the back of her hair.
Since its reunion with Bewear, Stufful has assisted her in her rescues of Team Rocket, like in ''[[SM096|Don't Ignore the Small Stufful!]]'', where it spun a helicopter propeller; and in ''[[SM103|Heart of Fire! Heart of Stone!]]'', where it alerted the trio to Bewear's arrival. Like its mother, Stufful is capable to perform incredible feats of strength. In addition to the helicopter incident, it has been shown running through several walls of steel in the [[Poké Problem]] segment of [[SM124]], destroying the [[Team Rocket's mechas|mecha]] Team Rocket had planned on fixing in the process. Stufful's tendency to show up has caused the trio to panic, as seen in ''[[SM128|League Offenders and Defenders!]]'', when Team Rocket spotted a Stufful and mistook it for Bewear's child, causing them to fear they were on their way.
Much like its mother, Stufful enjoys hot springs. This was seen in ''[[SM128|League Offenders and Defenders!]]'', when Team Rocket built it and Bewear one so that they can enter the [[Manalo Conference]] without them showing up whilst competing. Stufful also enjoys putting on a display whilst in the hot spring, as seen in ''[[SM131|The Battlefield of Truth and Love!]]'', where it and her mother performed for a crowd that had gathered.