Pipismon

Pipismon is a Mutant Digimon whose name and design are derived from the. It Armor Digivolved using the Digi-Egg of Love. This Digimon, which has the appearance of a bat, is said to have been born from the monitoring data of a certain electrical equipment manufacturer's ultrasonic sensors. Their large ears can pick up a sound of any frequency. Also, the inside of its mouth can become a speaker that may directly mimic speech captured it has heard. They are good at night behavior, when they can precisely detect the position of the enemy with ultrasonic waves, even in the dark.

Digimon Tamers: Battle of Adventurers
Pipismon was one of the Digimon who invaded the island base of VP Labs and held company president Ryuuji Tamashiro and programmer Takehito Uehara captive, threatening Uehara’s daughter, Minami, to make him reveal the location of the V-Pet vaccine program. When and  burst into the complex to free Minami, Pipismon was destroyed with one Pyro Blaster shot by Growlmon, along with Ponchomon and Sepikmon.

Digimon Data Squad
A Pipismon was seen in a stasis glass tube in the room where Relena Norstein was in.

Digimon Savers: Ultimate Power! Active Burst Mode
A group of Pipismon is sent by Argomon to attack Lalamon, but she easily defeated them.

Digimon World Dawn and Dusk
Pipismon can be obtained by digivolving a Patamon with the Digi-Egg of Love when he is at Lv21+ with 100 or more Speed Stat.

Attacks
 * Crazy Sonic Blaster (Crazy Sonic): A sound wave attack that destroys the senses.
 * Sky Jacker