*no direct linking to any pictures on this site - save them to your own host*
This little dude is MameTyramon and the D-Tamer 'guide' to the Digital World he at first seems to be there just to annoy the kids but in reality is training them (especially Hikaru) he works for Duke and helps get Doru his Dragon Spirit Back (more stats see his encyclopedia entry)
Death X Mon is the overall evil of D-Cyber and is hell bent on destorying the Digital World to take it over in your usual bad guy way. Alphamon purify's him and sends him back to sleep in the Digicore once more. (more stats see his encyclopedia entry)
MetalPhantomn is the evil to begin with in D-Cyber and drew the 4 kids to the Digital World. He stole Dorumon's Dragon spirit and revived Death X Mon before being absorbed by him. (more stats see his encyclopedia entry)
Megaseadramon was one of 2 protectors of a chest containing power for Masuken's Digimon. Teru had to get it which he eventually does and Mega then attacks and gets defeated he does have a 'brother'... (more stats see his encyclopedia entry)
Gigaseadramon is Megaseadramon's 'brother' he attacks after the kids defeat Megaseadramon with a lot of work and stupidity from Hikaru *as ususal* he is also taken down(more stats see his encyclopedia entry)
Skullbaluchimon attacks Masuken when they are trying to pass the 2nd test. He gets purified instead of destroyed. (more stats see his encyclopedia entry)