- Gen 3 #1-9 (Regional #252-260)
- Treecko
- Wood Gecko Pokemon: Its toes and fingers are covered with tiny spikes allowing it to climb walls and ceilings. It has the highest speed of all the unevolved starter Pokemon
- Grovyle
- Wood Gecko Pokemon: Its strongly developed thigh muscles give it astounding speed and jumping performance.
- Sceptile
- Forest Pokemon: The leaves that grow on its arms can slice down thick trees without breaking a sweat.
- Torchic
- Chick Pokemon: A cute but fierce fire Pokemon. It was originally going to have floppy ears and a flame mark on the back of it's head.
- Combusken
- Young Fowl Pokemon: During a battle, the hot flame within its body increases. Its kicks have amazing destructive power.
- Blaziken
- Blaze Pokemon: It can clear a 30-story building in a leap. It was originally combined with Latias being called Latiaziken.
- Mudkip
- Mud Fish Pokemon: The fin on its head acts as a radar allowing it to locate water. Also People seem to liek it a lot.
- Marshtomp
- Mud Fish Pokemon: Living on muddy ground that provides poor footing has made its legs sturdy.
- Swampert
- Mud Fish Pokemon: Its arms are hard as rock. With one swing, it can break a boulder into pieces or knock someone out.
- Gen 3 #10-19 (#261-269)
- Poochyena
- Bite Pokemon: It chases its prey until the victim becomes exhausted. But, will flee if the prey strikes back.
- Mightyena
- Bite Pokemon: It chases down prey in a pack of around ten. They defeat foes with perfectly coordinated teamwork.
- Zigzagoon
- Tiny Raccoon Pokemon: It walks in zigzag fashion. It is good at finding items in the grass using the Pickup ability.
- Linoone
- Rushing Pokemon: It charges prey at speeds over 60 mph. However, because it can only run straight.
- Wurmple
- Worm Pokemon: It defends itself by emitting poison from its tail. It also can evolve into one of two Pokemon.
- Silcoon
- Cocoon Pokemon: It drinks dew that collects on its silk and waits for evolution. Its hard cocoon repels attacks.
- Beautifly
- Butterfly Pokemon: It may look sweet and harmless but it's very aggressive.
- Cascoon
- Cocoon Pokemon: It never forgets any attack it endured while in the cocoon. After evolution, it seeks revenge.
- Dustox
- Poison Moth Pokemon: Toxic powder is scattered with each flap. It is based off of the Japanese Moon Moth.
- Gen 3 #20-29 (Regional #270-279)
- Lotad
- Water Weed Pokemon: It looks like a lily pad and serves as a ferry to Pokémon that can't swim.
- Lombre
- Jolly Pokemon: It has a mischievous spirit and interferes with fishers by tugging at the line.
- Ludicolo
- Carefree Pokemon: If it hears music, it begins moving in rhythm in order to amplify its power.
- Seedot
- Acorn Pokemon: It likes to hang in trees and disguise itself to scare other Pokemon.
- Nuzleaf
- Wily Pokemon: The sound of its grass flute makes its listeners sleepy. It cannot learn Grasswhistle.
- Shiftry
- Wicked Pokemon: By flapping its leafy fan, it can whip up gusts of 100 ft/second that can level houses.
- Taillow
- Tiny Swallow Pokemon: It is very courageous as it will take on a larger Skarmory on an equal footing, but will weaken if hungry.
- Swellow
- Swallow Pokemon: It dives at a steep angle as soon as it spots its prey. It catches its prey with sharp claws.
- Wingull
- Seagull Pokemon: It soars high in the sky, riding on updrafts like a glider. It carries food kept in its bill.
- Pelipper
- Water Bird Pokemon: It is a messenger of the skies, carrying small Pokémon and eggs to safety in its
- bill.
- Gen 3 #29-38 (Regional #280-289)
- Ralts
- Feeling Pokemon: If its horns capture the warm feelings of people or Pokémon, its body warms up slightly.
- Kirlia
- Emotion Pokemon: It is highly perceptive of its Trainer's feelings. It dances when it is feeling happy.
- Gardevoir
- Embrace Pokemon: To protect its Trainer, it will expend all its psychic power to create a small black hole.
- Surskit
- Pond Skater Pokemon: It appears as if it is skating on water. It draws prey with a sweet scent from the tip of its head.
- Masquerain
- Eyeball Pokemon: It flaps its four wings to hover and fly freely in any direction. It can even fly sideways.
- Shroomish
- Mushroom Pokemon: If it senses danger, it scatters spores from the top of its head to protect itself.
- Breloom
- Mushroom Pokemon: Its short arms stretch when it throws punches. Its technique is equal to that of pro boxers.
- Slakoth
- Slacker Pokemon: It spends nearly all its time in a day sprawled out. Just seeing it makes one sleepy.
- Vigoroth
- Wild Monkey Pokemon: Its heart beats at a tenfold tempo, so it cannot sit still even for a moment.
- Slaking
- Lazy Pokemon: It is the world's laziest Pokemon, but is very strong when it gets to attack.
- Gen 3 #42-49 and 54 (Regional #290-298)
- Nincada
- Trainee Pokemon: Because it lived almost entirely underground, it is nearly blind. It uses its antennae instead.
- Ninjask
- Ninja Pokemon: Because of it's speed it is nearly invisible. It's cry will also cause headaches if heard for too long.
- Shedinja
- Shed Pokemon: It is the hollow shell of Nincada and does not breath or move it's wings to fly.
- Whismur
- Whisper Pokemon: Normally it speaks without being heard but in danger shrieks as loud as a jet-plane.
- Loudred
- Big Voice Pokemon: The shock waves from its cries can tip over trucks. It stamps its feet to power up.
- Exploud
- Loud Noise Pokemon: Its roar in battle shakes the ground like a tremor or like an earthquake has struck.
- Makuhita
- Guts Pokemon: It toughens up by slamming into trees. It gains a sturdy and dauntless spirit.
- Hariyama
- Arm Thrust Pokemon: It loves challenging others to tests of strength. It has the power to stop a train with a slap.
- Azurill
- Polka Dot Pokemon: Its tail is packed full of the nutrients it needs to grow. It an also change gender upon evolution.