He is voiced by Takeshi Kusao in the Japanese Version and Kyle Hebert in the English Version.
When Lopmon absorbs the energies of his kin to become the White Lopmon. White Lopmon enables Shoutmon and MetalGreymon to Digivolve into OmniShoutmon and ZekeGreymon. However, OmniShoutmon and ZekeGreymon are still at a disadvantage as NeoMyotismon attempts to destroy them before they can damage him from the inside instead. However, White Lopmon sacrifices himself to transfer his power to Mikey and Christopher so that they can perform a Double Fusion. The Double Fusion allows OmniShoutmon and ZekeGreymon to become Shoutmon DX. After breaking free from NeoMyotismon, Shoutmon DX learns that the White Lopmon’s data have also left NeoMyotismon’s body. Shoutmon DX destroys NeoMyotismon with Beelzemon taking out the remains.
His strength is equal to that of his also digivolved cohort and partner, OmniShoutmon.
After Ewan uses Laylamon in a forced DigiFusion with Blastmon and his Vilemon, the battle begins with Doumon using his illusion to disorient the Fusion Fighters until he is destroyed by Mervamon using her Olympia Kai after Wisemon and Hi-VisionMonitamon were DigiFused into it. Tuwarmon is DigiFused onto Axeknightmon by Ewan for Axeknightmon to become MusoKnightmon to deliver the deathblow. OmniShoutmon and ZekeGreymon charge at MusoKnightmon. OmniShoutmon and ZekeGreymon grab his cannons with the clash causing a big bang.
After Splashmon reveals his true Water Tiger form, Splashmon Darkness Mode overpowers OmniShoutmon and ZekeGreymon before Mikey figures out Splashmon's weakness. OmniShoutmon and ZekeGreymon are DigiFused into Shoutmon DX. Shoutmon DX destroys Splashmon Darkness Mode via evaporation.
- His Level are not Champion, Ultimate or Mega but is treated as equivalent to the Ultimate level in the Digital Monster Card Game and was at one point equated to the Mega level in Digimon Heroes.