This guide is ranking the weakest Pokémon from the first to the current generation, so if you feel like your favorite Pokémon are being disrespected here, don’t worry.
Unown
Unown is a Psychic Pokémon that was introduced in the second generation. It’s 0.5 meters tall and weighs about 5 kilograms and it has the ability to levitate. It has 1 Attack and 1 Special Attack, and comes with a base friendship of 50. To catch one, you need to weaken it and then use a Pokéball. The egg cycles of these pokemon are 40 (10,024–10,280 steps).
Sunkern
Sunkern is a grass-type Pokémon having chlorophyll and solar power as its abilities. Sunkern is a seed Pokémon, it is 0.3m (1′) tall and weighs 1.8 kg (4.0 lbs). You can catch it at a 30.7% rate with a PokéBall when the Pokémon’s health is full. Its friendship bonus is medium and it grows slowly. The egg cycles of these pokemon are 20 (4,884–5,140 steps).
Metapod
Metapod is a Bug Pokémon that evolves into Butterfree. It is known as the Cocoon Pokémon and it was introduced in Generation 1. Metapod’s height is 0.7 m (2’04”), and it weighs 9.9 kg (21.8 lbs). Its abilities are Shed Skin, which allows it to recover from any status condition, and 1, which makes it immune to any secondary effects of attacks that are not super effective against it. The egg cycles of these pokemon are 15 (3,599–3,855 steps).
Wishiwashi
Wishiwashi is an adorable fish Pokémon, it is 0.2m tall and weighs 0.3kg. It is known as the Small Fry Pokémon. Wishiwashi‘s Schooling ability increases its HP by 1 when it is with other Wishiwashi, and it catches 60 PokéBalls at full health. The egg cycles of these pokemon are 15 (3,599–3,855 steps).
Magikarp
Magikarp is a Water type Pokémon that is 0.9 meters tall and weighs 10 kilograms. Magikarp is the Fish Pokémon and it was introduced in Generation 1. Its abilities are Swift Swim, and it yields 1 Speed. It has a catch rate of 255 with the PokéBall, full HP, at 33.3%. Its base friendship is 50, and its base experience points yield is 40. It grows slowly, having an egg cycle of 5 (1,029–1,285 steps).
Igglybuff
Igglybuff is a Normal/Fairy Pokémon and it is known as the Balloon Pokémon. Igglybuff was introduced in Generation 2, it weighs 1 kilogram (2.2 pounds) and it has a height of 0.3 meters (1 foot). Igglybuff’s abilities are Cute Charm and Competitive. When you catch it, it will yield 1 HP and its base friendship is 50 (normal). Its growth rate is fast. The egg cycles of the pokemon are 10 (2,314–2,570 steps).
Azurill
Azurill is a Normal-type Pokémon, also known as the Polka Dot Pokémon. Azurill was introduced in Generation 3. Its Pokédex entry says that it lives near water and loves to play with bubbles. Azurill has thick fat and huge power, which makes it strong enough to swim with ease. It also has the ability to Sap Sipper, which means that it can extract nutrients from plants even when they’re underwater. It is known as the Polka Dot Pokémon. It has a base friendship of 50 and a catch rate of 150 when using Poké Balls, with full HP. Its growth rate is fast. The gender of this pokemon is 25% male and 75% female. The egg cycles of the pokemon are 10 (2314–2570 steps).
Feebas
Feebas is a Water type Pokémon, and it is also known as the Fish Pokémon. Feebas was introduced in Generation 3. It has Feebas has Swift Swim and Oblivious as its abilities, which makes it very adaptable to its surroundings. It grows quickly and has a high catch rate, making it an ideal choice for those who want to collect all of the Pokémon in the game quickly. The egg group of this pokemon is dragon, water. The gender of this pokemon is 50% male, 50% female. The egg cycles of the pokemon are 20 (4,884–5,140 steps).
Kricketot
Kricketot is a Bug type Pokémon, also known as the Cricket Pokémon. Kricketot was introduced in Generation 4, it has the Shed Skin ability, and its species is Cricket Pokémon. It is 0.3 meters tall and weighs 2.2 kilograms. Its base friendship is 50, and its base experience yield is 39. The egg cycles of these pokemon are 15 (3,599–3,855 steps).
Caterpie
Caterpie is a Bug type Pokémon, and it is known as the Worm Pokémon. Caterpie was introduced in Generation 1. It has a shield dust ability that allows it to avoid attacks for a short period of time. It has the Worm trait and is known as the Pokémon with the lowest catch rate. However, it yields 1 HP when caught with a PokéBall at full health, making it an ideal choice for training EV yields or catching rare Pokémon. The egg group of this pokemon is Bug. The gender of this pokemon is 50% male and 50% female. The egg cycles of the pokemon are 15 (3,599–3,855 steps).
Weedle
Weedle is a Bug/Poison Pokémon, it is known as the Hairy Bug Pokémon. It was introduced in the first generation with a height of 0.3 meters (1 foot) tall and weighs 3.2 kilograms (7.1 pounds). Weedle was given the Shield Dust ability, a 1-speed catch rate and Fast growth rate. The egg cycles of these pokemon are 15 (3,599–3,855 steps).
Wurmple
Wurmple is a Worm type Pokémon, also known as the Worm Pokémon. It was introduced in Generation 3 with a height of 1 foot and weighs 7.9 pounds. It has an HP EV yield of 1, a catch rate of 255 (33.3% with PokéBall, full HP). Wurmple’s base friendship is 50 (normal) and its base experience yield is 56. Its growth rate is medium fast. The egg cycles of these pokemon are 15 (3,599–3,855 steps).
Scatterbug
Scatterbug is a small Bug type Pokémon known for its Shield Dust ability, which powers up all of its Bug type moves by 30%, and its Compound Eyes ability, which gives it a 33% chance to attack first. Scatter Dust was introduced in Generation 6. In the wild, you can find it at level 5. Scatter Dust has a base friendship of 50, a base experience yield of 40 and medium growth rate. The egg cycles of these pokemon are 15 (3,599–3,855 steps).
Pichu
Pichu is an Electric-type Pokémon that was introduced in Generation 2.
It is known as the Tiny Mouse Pokémon. It weighs 2.0 kg (4.4 lbs). The egg cycles of these pokemon are 10 (2,314–2,570 steps).
Kakuna
Kakuna evolves into Beedrill, which is a Bug/Poison type. It is the second stage of a caterpillar Pokémon. Kakuna has a base friendship of 50 and an experience yield of 72. It is 0.6 meters tall and weighs 10 kilograms. It has the ability Shed Skin, which heals status conditions after battle. The egg cycles of these pokemon are 15 (3,599–3,855 steps).
Silcoon
Silcoon is a Bug-type Pokémon that is known as the Cocoon Pokémon. It is part of the cocoon family and it was introduced in Generation 3. Silcoon have a base friendship of 50 with other cocoons and you can find them in fields and forests. Silcoon evolves into a Cascoon at level 7, which then evolves into a Dustox at level 10. The egg cycles of these pokemon are 15 (3,599–3,855 steps).
Spewpa
Spewpa is a Bug-type Pokémon, also known as the Scatter Dust Pokémon. Spewpa was introduced in Generation 6 with a 0.3 meters (1 foot) height and 8.4 kilograms (18.5 pounds) weight. Its abilities are Shed Skin and it yields 2 Defense EVs. Its base friendship is 50 and its catch rate is 120 (15.7% with PokéBall, full HP). The egg cycles of these pokemon are 15 (3,599–3,855 steps).
Burmy
Burmy is a Bug type Pokémon, known as the Bagworm Pokémon. It was introduced in Generation 4. Its Pokédex entry states that it lives in colonies of up to a thousand individuals and can secrete an adhesive material from its skin to attach itself to surfaces. This ability makes it difficult for opponents to remove Burmy from areas where it has attached itself, giving the Pokémon an advantage in combat. It has a catch rate of 120 (15.7% with PokéBall, full HP) and base Friendship of 50 (normal). Its base Exp. is 45 and its growth rate is medium fast. The egg group of this pokemon is a bug. The gender of this pokemon is 50% male and 50% female. The egg cycles of the pokemon are 15 (3,599–3,855 steps).
Cleffa
Cleffa is a Fairy type Pokémon having the Cute Charm ability that makes it difficult for opponents to attack. It was introduced in Generation 2. Additionally, it has a Magic Guard which prevents status conditions from taking effect on it. Finally, Cleffa also has the Friend Guard ability which protects any allies that are within range of its attacks. It has high Special Defense and a high catch rate when caught with a PokéBall. The egg group of this pokemon is undiscovered. The gender of this pokemon is 25% male, 75% female. The egg cycles of these pokemon are 10 (2,314–2,570 steps).
Bidoof
Bidoof is a Normal type Pokémon, it is also known as the Plump Mouse Pokémon. It was introduced in Generation 4. Bidoof has simple abilities and a Moody (hidden ability) which makes it difficult to befriend. It is known as the Plump Mouse Pokémon. Bidoof has a catch rate of 255 when caught with a PokéBall, and its base friendship is 50. Bidoof’s base experience and growth rate are both medium fast. The egg group of this pokemon is Field, water 1. The gender of this pokemon is 50% male and 50% female. The egg cycles of the pokemon are 15 (3599–3855 steps).
Rattata
Rattata is a Normal-type Pokémon, it is one foot tall and it weighs seven pounds. It is called the Mouse Pokémon. It has a base friendship of 50 and a base Experience yield of 51. It evolves into Raticate, which is a Normal-type Pokémon. Rattata has the Run Away ability and its catch rate is 255. The egg cycles of these pokemon are 15 (3,599–3,855 steps).