Damemon

Damemon is a Digimon whose name is derived from "No good!" (ダメ！), and whose design is derived from Sukamon. It is a Digimon that was accidentally born when the waste data drifting through the Digital World randomly combined. Since "No good, no good!" (ダメダメ！) is its favorite phrase, it has a bad habit of criticizing people without reading the atmosphere, regardless of the person or situation. Although its the sort of person that is definitely the #1 "No good, no good!", somehow it has gotten by with the help of its partner, Tyutyumon. Together with Tyutyumon, Damemon can finally be said to be a full Digimon. Tyutyumon stays on the "Tyutyu Tray" on the back of Damemon's head, and takes it along to various places to go play. When the two of them are together, every day is Priceless.

Damemon's name was determined by the "Become this Digimon's Namer!" contest held by the official Toei website for Digimon Xros Wars, open to CLUB@Pero members and lasting from October 21 2010 to November 23 2010, which also rewarded all entrants with a limited wallpaper. Damemon was simply labeled ?mon for its first two appearances in the anime.

Digimon Xros Wars
Attacks
 * Bunbun Ken (ブンブン拳): Rotates its tonfa and barely hits the target, making it more useful for making the opponent flinch than inflicting damage.
 * Gun Vulcan: Fires, from hidden guns in its feet and tonfas, small, black, mysterious objects that spread a foul smell, doing more to make the opponent repulsive than to inflict damage, and causing them to lose their fighting spirit. It is always careful, because it is angered at Digimon living in the area if it isn't completely cleaned after it shoots.
 * Boo~st Attack: Spreads a lot of smelly gasses as it strikes, so that even it doesn't know where it will fly off to, inflicting a lot of emotional damage to the opponent due to the hit and the smelly gasses.
 * Digi Ninpou Bujin Henka (デジ忍法武人変化): Transforms into Tsuwamon.