ThunderMan.EXE

ThunderMan.EXE is a electric NetNavi operated by Raoul, and can surround his enemies with clouds to hamper their movements. In Megaman Battle Network 2, Megaman is forced to defeat Thunderman in order to access the Netopian net and retrieve Lan's stolen passport. In Battle Network 3, he is a participant in the N1 Tournament, though Megaman doesn't fight him. In Battle Network 4, Thunderman is a random boss in the final tournament. Megaman falls under the effects of an evil curse, and must retrieve a set of programs that will allow ThunderMan to lift it. Thunderman gives Megaman a Double Soul after this.

MegaMan NT Warrior
He and Raoul meet Lan in an episode of NT Warrior. They appear again in DenTechCity on the Net in a huge stadium. ThunderMan and MegaMan.EXE have an intense Netbattle but are interrupted by Gospel. ThunderMan gets absorbed trying to stop it but MegaMan is saved by Bass.EXE. ThunderMan is released when gospel is destroyed.

MegaMan NT Warrior Axess
Raoul and ThunderMan appear again in Electopia to get revenge on BrightMan.EXE. At the same time, Darkloids attack the Net, taking advantage of Lan abd MegaMan.EXE's injuries. Raoul and ThunderMan team up with Raika and SearchMan.EXE to defeat them. SearchMan and ThunderMan have to team up to fight SwordMan.EXE, ColdMan.EXE, BrightMan.EXE and StarMan.EXE. Although they are outnumbered, SearchMan and ThunderMan manage to defeat the Darkloids and delete BrightMan.EXE. He remains in Electopia for a short time after this. During that time, Lan has grown increasingly powerful but also more arrogant. TO try to right that, Chaud and Raoul pretend to be Nebula agents and Netbattle Lan and MegaMan. Their battle is interrupted by real Darkloids and ThunderMan gives MegaMan his Double Soul to defeat them. After that, Raoul and ThunderMan leave the country.