Common Gugu-Gagas found in large numbers. Includes adults, juveniles, and obese individuals who love cola and burgers. They are annoying, gross, stupid, and weak. This character also fills various roles such as police officers and bank clerks. If a Gugu-Gaga is killed, Police Gugu-Gagas will appear.

A Gugu-Gaga with a body made entirely of muscle. An MMA fighter. Has a resolute and short-tempered personality. Stands 2m tall and weighs 130kg. Beats anyone he doesn't like to death. His punches are powerful enough to turn a Gugu-Gaga into mincemeat in one hit. His tail is his weak point.

A Gugu-Gaga wearing a chick costume. The child of a millionaire who spends money recklessly. Has brown hair. A juvenile. Skilled at fake crying. Accompanied by 5 Gugu-Gaga bodyguards. Carries a pistol. Shows a vile, sadistic face only when killing others. When about to be killed, he cries and begs for his life.

The Gugu-Gaga President of the United States. Hot-headed but has a strong core. His costume is modified for excessively high defense. His hair is a wig. Lives in the White House in Washington, D.C., and serves as the Commander-in-Chief of the U.S. Armed Forces. When desperate, he launches nuclear missiles at other countries. Has the ability to summon himself or others from parallel worlds. He remains safe when encountering his parallel self, but others instantly collide and die upon contact with their parallel selves. When near death, he pulls another version of himself from a different world to survive (entrusting the mission to the other self), and kills enemies by pulling their parallel versions into them. Favors revolvers. Considers himself to be America itself. Semi-immortal and extremely powerful.

2 million U.S. Army Gugu-Gagas. Strong due to their training. Primarily handle firearms. Operate tanks, fighter jets, and naval vessels. They do not appear unless there is a national crisis or Ame-Gaga is involved.

Numerous nerd (otaku) Gugu-Gagas. They enjoy geek culture. Morbidly obese. They speak in a distinct, extremely fast-paced manner. Hated because they smell bad.

A mad scientist Gugu-Gaga. Performs cruel human experiments without hesitation. Obese. Equipped with four metal robotic arms on his back that can extend long distances, allowing him to move freely. The arms possess superhuman strength, and the red dots in the center fire laser beams. Usually maintains a composed demeanor but breaks into roars of anger when cornered. He views the superhero Spider-Gaga as his nemesis. Powerful.

A singer Gugu-Gaga who boasts immense popularity in America. Known for overwhelming vocal talent and original songs. Wears eccentric and flashy outfits. A charismatic figure with many fans. Not annoying.

Numerous space Gugu-Gagas located at Area 51. Arrived on Earth in UFOs. They do not cry "Gugu-Gaga," but rather "Grey-Gaga." They fire beams from strange guns that dissolve biological organisms. Fairly strong.

A Gugu-Gaga who is always launching rockets. CEO of a major corporation. The richest person in the world. Often fails. Dreams of migrating to Mars. Arrogant. Fond of the "X" mark.