On your demand here I am providing name of Scientists who did work for video games and in television animation for kids

Dr. Hiroshi Agasa (Case Closed) – an absent-minded professor who invents several devices to help out Jimmy Kudo
Naoko Akagi (Neon Genesis Evangelion)
Dr. Ritsuko Akagi (Neon Genesis Evangelion) - the daughter of the above
Lloyd Asplund (Code Geass) – a Britannian scientist who designed the Lancelot Knightmare Frame, a bipedal, humanoid superweapon entrusted to Japanese pilot Suzaku Kururugi
Princess Bubblegum (Adventure Time) - a beautiful princess who invents and creates the citizens of Candy Kingdom in the land of Ooo
Professor Bug (The Backyardigans) - a pseudo-steampunk mad scientist portrayed by Pablo who bugs all the robots in Mega City
Bulma (Dragon Ball) – creator of the Dragon Radar and a time machine allowing Trunks to avert the conquest of the world by evil androids
Kiranin Colbock (Space Runaway Ideon) – a member of a science academy
Dexter (Dexter's Laboratory) - a child genius who whips up dazzling, world-saving inventions in his secret laboratory
Dr. Heinz Doofenshmirtz (Phineas & Ferb) – a mad scientist whose goal is to take over the tri-state area
Professor Frink (The Simpsons) - Springfield's greatest scientific and engineering mind
Professor Membrane (Invader Zim) – super-scientist; "the man without whom this world falls into chaos, and the inventor of Super Toast"
Rintarō Okabe, aka Kyōma Hōōin (Steins;Gate)
Perceptor (Transformers) – an Autobot scientist
Stanford "Ford" Pines (Gravity Falls) - author of the three journals and earned his Ph.D in Backupsmore University
Doctor Ivo Robotnik (Sonic games) – a mad scientist and engineer, who invents various kinds of aircraft, robots and vehicles in various sizes (most Sonic games); he imprisoned animals in the inside of working robotic shells (Sonic 1 - Sonic Adventure 2), and experimented with kinds of mutations (Sonic Unleashed)
Rick Sanchez (Rick and Morty) - a sociopathic, alcoholic genius who travels various dimensions with his grandson Morty
Asami Sato (Legend of Korra) - a trained engineer, skilled pilot and driver, and competent unarmed combatant; partner of Avatar Korra and CEO of Future Industries.
Professor Utonium (Powerpuff Girls) - father/scientist who created the Powerpuff Girls
Wheeljack (Transformers) – an Autobot engineer and inventor
Doctor Zoidberg (Futurama) – a lobster-like creature working as the company doctor for Planet Express
Jeff Andonuts (EarthBound) – one of the Chosen Four
William Birkin (Resident Evil 2) – microbiologist working for the pharmaceutical enterprise Umbrella Corporation; creator of the G-virus; he was wounded and injected himself with his G-virus, mutating him into a monster
Cid (Final Fantasy) – although there are many different individuals with the name of Cid in many different Final Fantasy games, most of them are some sort of scientist;is existence is a tradition on par with the Chocobo in the series
Ciel (Mega Man Zero) – teen prodigy specializing in energy research, cybernetics, and robotics
Isaac Clarke (Dead Space) – engineer
Doctor Neo Cortex (Crash Bandicoot) – an evil doctor with an oversized head, who has plans using Power Crystals
Dr. "Mundo" Edmundo (League of Legends) – a sociopath medical doctor who only specializes in one field: the study of the pain response and how to inflict pain;his experiments have caused him to take on a monstrous form reminiscent of Frankenstein's Monster and a deceptively dimwitted speech pattern; out of all the scientists in the game, Dr. Mundo stands out as the only one who is a danger to both himself and others, evident in his self experiments
The Engineer (Team Fortress 2) – one of nine playable classes who is capable of building sentry guns for area denial and other constructions which may support other characters
Dr. Gordon Freeman, Ph.D. (Half-Life) – a theoretical physicist who fights a one-man battle against invading aliens, US Marines and Combine forces with a crowbar and other weapons; his associates are Drs. Isaac Kleiner, Eli Vance, Judith Mossman and Arne Magnusson
Professor E. Gadd (Nintendo games)
Cave Johnson (Portal 2) – the eccentric former owner of Aperture Science, and creator of the portal gun
Dr. Thomas Light (Mega Man) – creator of the revolutionary robot Mega Man
Love Lab scientists (Rhythm Heaven) – a male and female scientist pass ingredients to each other to make love potions to the rhythm of the music
Lucca (Chrono Trigger) – fighter and inventor, who, among other things, builds a time-machine and repairs a robot from over a millennium in the future
The Medic (Team Fortress 2) – one of nine playable classes who is able to heal other characters and make them immortal (Übercharge them) for a limited time with his Medigun
Daro'Xen vas Moreh (first appeared in Mass Effect 2) – a quarian admiral and scientist who believes that the geth, a synthetic race created by the quarians, who subsequently rebelled and drove their masters from their homeworld, should be controlled by the quarians once again; Admiral Xen also performed surgery on her childhood toys, much to the quarian squadmate Tali'Zorah's disgust
Dr. Otto Wolfgang Ort-Meyer (Hitman) – creator of Agent 47 and other clone assassins
Tobias Planck (Pirate Galaxy) – named after Max Planck, he is a theoretical physicist and field scientist with a parietal lobe 15% larger than average
Miles "Tails" Prower (Sonic the Hedgehog) – a fox with two tails that is Sonic's sidekick; using his knowledge of electrical engineering he creates mechanical devices that rival Doctor Eggman's robots
Doctor Ivo "Eggman" Robotnik (Sonic the Hedgehog)
Genis Sage (Tales of Symphonia) – Lloyd Irving's super-smart friend who has the ability to use extreme amounts of magic and is always there for Lloyd while being the voice of reason and choice
Mordin Solus (first appeared in Mass Effect 2) – a member of fictional alien species known as salarians (who have fast metabolisms, talk fast, walk fast and think fast); a brilliant biologist and a tech specialist
Citan Uzuki (Xenogears)
Shion Uzuki (Xenosaga)
Albert Wesker (Resident Evil) – microbiologist working for the pharmaceutical enterprise Umbrella and co-creator of the T-virus; he was killed in the first Resident Evil game by Tyrant T-002, a powerful biological weapon, and was resurrected with super-human powers after self-injecting the T-virus
Bray Wyatt - in an alternate universe, WWE superstar Bray Wyatt is portrayed as a mad scientist
Doctor Z (Mr. Driller) – sends the Driller team out on various missions around the world
Dr. Zed (Borderlands) - A "Doctor" from the Borderlands series.