(CV: Nail Palace (there are five types of CVs available in PS2 game software, such as You Xiang Tamura, Akiko Hiramatsu, Junko Noda, and るみ).

Insect repellent robot developed by Mars Institute of Medicine. The appearance is a lovely girl dressed as a maid. In addition to the pistol for expelling pests, it can also be equipped with weapons such as water guns and sledgehammers for fire prevention. In addition, due to the continuous introduction of diversified clothing and equipment, it has a considerable reputation in areas other than pest expulsion. However, compared with the later developed airframe, its performance tends to be inferior.

·/combat(コンバットさん)

The setting is a female soldier with short hair. It looks serious, and it will send out "yes, sir!" " After each execution of the command. Sound. Insect repellent robot developed by KINRYU, a rival company of MARS Pharmaceuticals. Compared with HOIHOI, it is a product with stronger military style. It is not known whether KINRYU Company deliberately designed it. If it starts at the same time as HOIHOI, it will judge that HOIHOI is a pest and attack it. Will respond to the user's command, even if it is incomprehensible. It has the function of reporting results.

Paist -x/ Pest -X (ペストさん)

The third interceptor, the doll, was developed by Gu Wuming in the United States. He was suspended and fired by Mars Pharmaceuticals. A girl with red hair in a black trench coat and ponytail. The settings are red shadows shuttling between American skyscrapers and skilled ninjas. The weapon is a long knife "Falcon" and two short swords "Feiyan". Usually half of the face is covered with a white scarf. Owning a special locomotive "Oboro" can be transformed into "Big Iron Fist" mode. With the help of the USB slot at the back, it will have amazing power and can even deal with wild animals.

If there is a battle developed by KINRYU in the same place, PEST-X will regard it as an enemy, destroy it with horror expression and strength, and protect HOIHOI. In addition to ninja girls, you can also freely design new images according to the wishes of players, and the sales volume is amazing. (Not in OVA) Oil jug (CV: Morikubo syoutarou)

Young people who like seafood. In addition to the original purpose of expelling pests, HOIHOI has also invested a lot of money, so it always leads a life of suppressing the cost of meals to the limit. In fact, he is a very kind person. After attending the meeting between Dork and the gentleman, he found himself in love with the gentleman.

A feathered gentleman (resume: that must be met)

A young woman working in a pharmacy. Generous and easy-going, she is a hard-working girl. He is good at sewing and can't drink much. I like dolls very much. I can make clothes for them myself. Have a bad memory of HOIHOI, and have an aversion to things related to HOIHOI. After learning from a painful experience, I bought a fight, and I can listen to orders, but the performance of fighting in Bihoi Hoy is even more unbearable for gentlemen. ...

The immortal Kawakami (resume: Zhongyuan Mai)

She is rated as a very lovely girl by this gentleman, but some of her roles are offline. Gentleman friend in high school. He is a fanatic, his room is full of products related to interceptor dolls, and he plays a role in fan activities. I invited this gentleman to make clothes for HOIHOI and Fight, and sell them at fan activities, and asked this gentleman to raise the price when reselling the limited-edition PEST-X on the auction website. Finally, I was fooled by the oil pan. ...

Manager (resume: Tanaka Wan)

Seemingly gentle old man, the manager of the drugstore where this gentleman works.

Ancient House Stone (Resume: Akio ōtsuka)

The key figures in the development of HOIHOI by Mars Pharmaceuticals have abnormal goodwill towards HOIHOI, and also have quite abnormal hostility towards the development of "KINRYU". (Fighting will destroy HOIHOI because of its own setting) In the development meeting, jet engine flight kit, reinforced outer armor and laser weapon for HOIHOI were put forward, but it always ended in failure. Finally, the company merged with the United States, making HOIHOI and PEST-X go global. Sales eventually became the world's number one.

Yazaki (resume: Morikubo syoutarou)

Employees of Mars Pharmaceuticals. Guwushi's men. Often put forward the opposite decision to the ancient house stone, such as alternative five-color HOIHOI, DX HOIHOI House and so on ... lovely route suggestions, and the suggestions are often adopted by the company.