#111 RhyhornAll 251 Pokémon#113 Chansey

Gengar’s Pokédex · Kanto · Generation I

#112 Rhydon

GroundRock

  • SpeciesDrill Pokémon
  • Japanese nameSidon
  • PronunciationRYE-DONN
  • Height6′ 3″ 1.91 m
  • Weight265.0 lb 119.25 kg
  • Gender♂ 50% · ♀ 50%
Rhydon official artwork

PokédexWhere to findType matchupsMovesBreedingStats

Name meaning

Combination of RHYHORN (from which Rhydon evolves) and -DON (Spanish and French for lord/master). “master of the rhyhorns”

Evolution

  1. RhyhornLevel 42Rhydon
Rhydon in the original Gengar’s Pokédex
Rhydon as it appeared in the original Gengar’s Pokédex

Pokédex entries

RedBlue Protected by an armor-like hide, it is capable of living in molten lava of 3,600 degrees.
Yellow Walks on its hind legs. Shows signs of intelligence. Its armor-like hide even repels molten lava.
Stadium Protected by an armor-like hide, it can survive in lava over 3,600 degrees. Its horn can bore holes through boulders.
GoldStadium 2 Its rugged hide protects it from even the heat of lava. However, the hide also makes it insensitive.
Silver Its brain developed when it began walking on hind legs. Its thick hide protects it even in magma.
Crystal By lightly spinning its drill-like horn, it can easily shatter even a diamond in the rough.

Where to find Rhydon

Game Where to find it Time Rarity
Blue Unknown Dungeon NA Few/Evolve
Red NA Few/Evolve
Yellow Unknown Dungeon, Cinnabar Island (In-Game Trade) NA Few/Evolve
Gold Blackthorn City (Home)(In-Game Trade) Any One/Evolve
Silver Any One/Evolve
Crystal Blackthorn City (Home)(In-Game Trade), Victory Road Morn. or Day Few/Evolve

How to catch

Ground Surf Fishing Forest Tree Mountain Tree Rock Smash Breed Evolve Event BugCatch Game Corner
R/B ✓ ✓
Yellow ✓ ✓ ✓
G/S ✓ ✓
Crystal ✓ ✓ ✓

✓ marks how you can get it in each game. Shaded boxes are methods that didn’t exist in that game.

Type matchups

Defence: damage taken from each attack type

  • Normal×0.5
  • Fire×0.5
  • Water×4
  • Electric×0
  • Grass×4
  • Ice×2
  • Fighting×2
  • Poison×0.25
  • Ground×2
  • Flying×0.5
  • Psychic×1
  • Bug×1
  • Rock×0.5
  • Ghost×1
  • Dragon×1
  • Dark×1
  • Steel×2
  • Gold, Silver & Crystal: 6 weaknesses and 6 resistances out of 17 types. Defence ratio 1 : 1 (100%).
  • Red, Blue & Yellow: 5 weaknesses and 6 resistances out of 15 types. Defence ratio 5 : 6 (83%).
  • This Pokémon has more weaknesses in GSC than RBY. So there is a better defense ratio in RBY.

Offence: same-type attacks against each type

  • Normal1st: Normal 2nd: Normal
  • Fire1st: Good 2nd: Good
  • Water1st: Normal 2nd: Normal
  • Electric1st: Good 2nd: Normal
  • Grass1st: Bad 2nd: Normal
  • Ice1st: Normal 2nd: Good
  • Fighting1st: Normal 2nd: Bad
  • Poison1st: Good 2nd: Normal
  • Ground1st: Normal 2nd: Bad
  • Flying1st: No Effect 2nd: Good
  • Psychic1st: Normal 2nd: Normal
  • Bug1st: Bad 2nd: Good
  • Rock1st: Good 2nd: Normal
  • Ghost1st: Normal 2nd: Normal
  • Dragon1st: Normal 2nd: Normal
  • Dark1st: Normal 2nd: Normal
  • Steel1st: Good 2nd: Bad
  • Gold, Silver & Crystal: 9 advantages and 6 disadvantages out of 34 types. Offensive ratio 3:2 (150%).
  • Red, Blue & Yellow: 8 advantages and 5 disadvantages out of 30 types. Offensive ratio 8:5 (160%).

Moves learned by levelling up

Yellow R/B G/S/C Move Type Kind
Start Start Start Horn Attack Normal Physical
35 Start Start Tail Whip Normal Status
30 Start Start Stomp Normal Physical
40 Start Start Fury Attack Normal Physical
— Start Start Scary Face Normal Status
48 48 Start Horn Drill Normal Physical
55 55 — Leer Normal Status
64 64 54 Take Down Normal Physical
— 65 65 Earthquake Ground Physical

“Start” means it knows the move from level 1; a dash means it doesn’t learn the move by levelling up in that game.

Move Tutor Crystal

  • Flamethrower, Thunderbolt, Ice Beam

TMs & HMs Gold, Silver & Crystal

  • TM01Dynamicpunch
  • TM02Headbutt
  • TM03Curse
  • TM04Rollout
  • TM05Roar
  • TM06Toxic
  • TM07Zap Cannon
  • TM08Rock Smash
  • TM10Hidden Power
  • TM11Sunny Day
  • TM13Snore
  • TM14Blizzard
  • TM15Hyper Beam
  • TM16Icy Wind
  • TM17Protect
  • TM20Endure
  • TM21Frustration
  • TM23Iron Tail
  • TM25Thunder
  • TM26Earthquake
  • TM27Return
  • TM28Dig
  • TM31Mud-Slap
  • TM32Double Team
  • TM34Swagger
  • TM35Sleep Talk
  • TM37Sandstorm
  • TM38Fire Blast
  • TM41Thunderpunch
  • TM44Rest
  • TM45Attract
  • TM48Fire Punch
  • TM49Fury Cutter
  • HM03Surf
  • HM04Strength

TMs & HMs Red, Blue & Yellow

  • TM01Mega Punch
  • TM05Mega Kick
  • TM06Toxic
  • TM07Horn Drill
  • TM08Body Slam
  • TM09Take Down
  • TM10Double-Edge
  • TM11Bubblebeam
  • TM12Water Gun
  • TM13Ice Beam
  • TM14Blizzard
  • TM15Hyper Beam
  • TM16Pay Day
  • TM17Submission
  • TM18Counter
  • TM19Seismic Toss
  • TM20Rage
  • TM24Thunderbolt
  • TM25Thunder
  • TM26Earthquake
  • TM27Fissure
  • TM28Dig
  • TM31Mimic
  • TM32Double Team
  • TM34Bide
  • TM38Fire Blast
  • TM40Skull Bash
  • TM44Rest
  • TM48Rock Slide
  • TM50Substitute
  • HM03Surf
  • HM04Strength

Breeding Gold, Silver & Crystal

Egg groups Ground Pokémon group 7 Monster Pokémon group 11

Compatible Pokémon

Egg moves

Move How to pass it down
Counter Breed a male Heracross with a female Paras/Parasect, then breed a male offspring with a female from Chikorita Family. Next, breed the male offspring of that union (Chikorita) to a female Rhyhorn/Rhydon.
Crunch Mate with a male from Girafarig, Houndour, or Larvitar Family.
Magnitude Mate with a male Diglett/Dugtrio.
Pursuit Mate with a male Dunsparce, Rattata/Raticate, Tauros, or Umbreon.
Reversal Teach a wild male Smeargle the move using its Sketch attack, catch it, then breed it with a female Rhyhorn/Rhydon.
Rock Slide Mate with a male from Larvitar Family.
Thrash Mate with a male from Cubone, Larvitar, Mankey, or Teddiursa Family; or Nidoking, Tauros.

Stats

Stat Base Range at Lv. 100 G/S/C rank R/B/Y rank
HP 105 383-413 10/4589.41% 7/4291.92%
Attack 130 328-358 2/4998.41% 2/4598.61%
Defense 120 308-338 8/5595.03% 5/4497.13%
Speed 40 148-178 40/4715.87% 37/4213.57%
Special Attack G/S/C 45 158-188 34/4621.19% —
Special Defense G/S/C 45 158-188 34/4118.41% —
Special R/B/Y 45 158-188 — 23/2918.41%
Total 485 G/S/C
440 R/B/Y
1483-1663
1325-1475
17/8777.31% 9/6587.46%

Ranges are the lowest and highest the stat can be at level 100. Ranks compare the base stat with every other Pokémon in those games (1 is the highest), with its percentile underneath.

Restored from Gengar’s Online Pokédex v4.2, one of the first Pokédexes on the web, created by Curtis Alumbaugh (Gengar) with Ian Alumbaugh (Haunter) and kept by Pokémon Dungeon. How to read this page · Red, Blue & Yellow moves · The Library