Screw wheels, treads or walking. For some robots and vehicles, their sole means of mobility is jumping or hopping around, as silly as that might seem at first glance.
In reality, this is a Justified Trope
as this enables robots to actually walk and even climb the stairs without actually having any knees to bend
, which simplifies their construction, albeit can leave them vulnerable to falling over.
See also Spring Coil
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- A non-robotic example that doesn't use legs to begin with, but in one early episode of Beyblade, Kenny, normally a non-action character, attempts to enter a beyblade contest with a spring loaded top in lieu of the traditional spinning method. This works well enough against some of the weaker players due to being evasive and being out of the range of attack most of the time until the opponent's top run out of spinning momentum, but due to its inability to attack it became easy prey to Kai's superior blade and skill.
- The Leapfrog from Runaways.
- Gaston Lagaffe's perpetual machine, a conical spring with a red ball attached to the top. After its first appearance, it is occasionally seen boinging around the office.
- In the Red Dwarf novel Infinity Welcomes Careful Drivers, cars on the Spanish-owned port of Mimas on one of the moons of Saturn are a variation on the trope: they normally employ wheels but can also use hydraulic legs to leap into the air in order to bypass the city's notorious traffic congestion. The first chapter, in which Lister is scraping a living hotwiring cabs for the night and picking up fares, goes into some detail about the disadvantages of this technology.
- In the opening of Heavy Weather by Bruce Sterling, the heroine rescues her brother using a hopping vehicle. Later, that brother has some drugs and other items smuggled across the border to him using a one-legged hopping robot carrier.
- At the end of Bert's Hall of Great Inventions, Bert shows Ernie an electric hopping baby carriage. As in the rest of the book, Ernie is reminded of an animal with similar abilities.
- In Lucky Starr and the Oceans of Venus, Lucky needs to get somewhere fast and all the regular vehicles are being used to evacuate the sector of the Underwater City. A policeman jokingly suggests that he take a "hopper"—a ludicrous hopping vehicle that was a System-wide fad some years back—and Lucky takes him up on it.
Live Action Television
- GURPS 4th edition Ultratech handbook includes, in its chapter on Nano Machines, the "hopper" type—microbots that resemble metallic fleas or crickets.
- In the RTS game Aztec Wars one of the Aztec military units is a cannon that moves by hopping around on one giant foot.
- System Shock features robots called Hoppers, which are Exactly What It Says on the Tin.
- Duke Nukem II has hopping, one-eyed robots as one of the enemy types.
- In LEGO Star Wars, when C-3P0 gets hit his leg falls off and he hops to get around.
- The Hopster from Makai Kingdom, which appears again as the TX-6 Jumpstart from Prinny: Can I Really Be the Hero?. "No one knows if it's supposed to move like that, or if it's just broken."
- The Big Eye from Mega Man. Every game of the original series has its own variation of that enemy, of which the ones from the first and second game are the worst.
- The Egg Press from Sonic Advance, pictured above.
- The Bouncy Boss Robot and Sphere-o-Bot from Sonic Chaos.
- The spring-like enemies in the Bubble Bobble series. If trapped in a bubble, they tend to take a very short time before breaking out.
- Though not technically robots, there are some enemies and statues in The Legend of Zelda that get around by hopping.
- The X-Bot from Heavy Weapon. Don't let him hop on your tank, it's a One-Hit Kill!
- The Jumper enemies from Mini Robot Wars. They jump over all your units in a fashion similar to the Pogo Zombie from Plants vs. Zombies.
- The Automated Snowflake Inspector from Pajama Sam 2.
- One of the Convert-A-Car's alternate forms in the Wacky Races uses 'Pogo Power'.
- The Luxo lamp.
- A Disney homefront Wartime Cartoon starring Goofy proposed saving on rationed gasoline and tires by using pogo sticks as regular transportation.
- Wile E. Coyote tried using a jet-propelled pogo stick - it didn't go well.
- Not a robot, but Coil Man from The Impossibles hops around on a spring leg.
- Narbonic's Professor Madblood once attempted to build a giant robot, but he only got as far as building a giant robotic foot, which has to move by hopping.
- In Sluggy Freelance, Riff's Mark-19 robot can do this, but it only works once.
- The Rabbit Ambulance from WebcomicAchewood.