Like Netto, Laika is also a Net Savior. Unlike Netto, he takes his job very very seriously and depends solely on the traditional means of net navi battling. Laika absolutely despises Cross Fusion, thinking it as of unwanted technology that is not needed. Laika comes from the country of Sharo, and operates the net navi Searchman.   As his attitude suggests, he considers himself a far better Net Savior than Netto. He repeatadly comments on how Japan's Net Saviors are weak minded and useless. It takes Netto a long struggle to finally earn a shred of respect from him, when his navi Rockman saves Searchman from the Dark Loid Desertman with Soul Unison.   Even though Laika starts out as a tough nut, as usual Netto's friendly demeanor whittles away at his stone exteriour. Eventually Laika comes to respect Netto in the same way Enzan does. Surprisingly, Laika even bends out to accept Cross Fusion, and gains the ability himself during the series of Stream.   (Source: Rockman.exe Online)

In the year of 20XX, a young boy by the name of Netto Hikari receives a very special gift as he enters the 5th grade. His very own customized net navi, Rockman! Despite Rockman's small size and far more responsible personality, the two boys quickly become the best of friends. A net navi is designed to guide his operator from the inside of his or her PErsonal Terminal, or simply PET for short. Children and adults alike enjoy friendly "Net Battles", where they spar their navis against each other to prove their worth. 
(Source: Official Site)

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__Non-anime roles:__  Takeshi Yamato in "IZUMO2 学園狂想曲" (Visual Novel)  

Netto's father Yuuichirou Hikari has made a scientific breakthrough by introducing the "synchro chips". If an operator and his or her navi are in a special enviroment known as a "dimensional area", they can fuse together in the real world via a technique called "cross fusion"! Yuuichirou's first test subject, Misaki Gorou, attempts the process and sadly fails. Netto offers to try with Rockman, but his father forbids it. Cross Fusion puts enormous strain on the operator's health, and battling in the real world could mean death. 
(Source: Official Site)

The year is 200X and everyone is now connected to the Cyber Network. People carry their own PET (Personal Terminal) and are paired up with an artificial intelligence program called a NetNavi (or NetNavigator). Computers have turned the world into a bright and shiny utopia but there's always trouble in paradise. While the invention of the PET and NetNavis has brought great benefits to the world, computer hacking, virus spreading and other high-tech crimes are becoming a major problem. A sinister organization by the name of World Three has appeared and they've vowed to destroy this technological wonderland. Enter our young hero, Lan Hikari, an intensely curious and cheerful fifth grader. Synchronized with his NetNavigator, MegaMan, he becomes a super-charged dynamo. In and out of the Net, Lan and MegaMan do their best to thwart World Three's never-ending quest to take over the world! 
(Source: Viz Media)

Deep in the dark recesses of the UnderNet, Forte sleeps as he drifts aimlessly. In this cybernetic graveyard, a pulsating power re-awakens Forte, alerting him to a dangerous being shortly ahead. A haunting face appears amidst a massive bright purple blob, laughing directly at Forte. Cursing him, Forte finds himself powerless as the blob takes form, and captures him within its grasp! 
Nearing the time of sunset, a peaceful city and its people go about their everyday business. Curious bystanders on a sidewalk glimpse a shimmering purple light, which suddenly expands into tall pillar that reaches up to the sky. Screams erupt from the people as the pillar of light takes flight, absorbing everything in its destructive path. A tower clock dings the hour of 4 o'clock as the pillar desintigrates, leaving behind a trail of cybernetic residue and utter emptyness. 
'The Program of Light and Dark' 
(Source: Official Site)