More a superstition at this point than a myth, supposedly doing this while a Pokeball is shaking will make it more likely to catch the Pokemon.
What is mashing the A (or B) button?
It rocks its body rhythmically. It appears to alter the rhythm depending on how it is feeling. (Gen I)
What is Jynx?
This move was originally ??? type before being changed to Ghost.
What is Curse?
Substitute is a great protector against attacks, but this specific kind of special attack will bypass it entirely.
What are Sound moves?
Besides their signature users, these situational stat-boosting abilities are found on several Electric types as well as the Klingklang family.
What are Plus/Minus?
There was an entire Game Theory episode debunking the widespread myth that RBY trainers kill this Pokemon of Blue's.
What is Raticate?
For food, it digs up iron ore. It smashes its steely body against others to fight over territory. (Gen III)
What is Lairon?
There are only four special Ground-type attacks. One of them is Earth Power. The other three all share this word in their names.
What is Mud? (Mud Shot, Mud Slap, Mud Bomb)
This move counts as two different types, both of which are STAB for its signature user.
What is Flying Press?
Take one look at Charjabug and you should be able to name this, its signature ability that boosts the special attacks of allies.
What is Battery?
In RBY, myths abounded about how to get one's hands on a Mew, including trying to get behind this vehicle in St. Anne's harbour.
What is the truck?
A frozen one was dug up from soil dating back 10,000 years. It woke up to much amazement. (Gen IV)
What is Mamoswine?
This type has only two status moves, both of which raise multiple stats.
What is Dragon? (Dragon Dance, Clangorous Soul)
In order to be immune to Powder moves, a Pokemon must either have the Overcoat ability, be holding the Safety Goggles, or this.
What is be Grass type?
Water Absorb is mostly found on Water types, but can also be found on three Grass types which all resemble this plant.
What is a cactus? (Maractus, Cacnea, Cacturne)
According to the anime, it's not Ground that is immune to Electric attacks, but this type.
What is Rock?
Around dawn, its ominous howl echoes through the area to announce that this is its territory. (Gen II)
What is Houndour?
Not counting Legendary Pokemon or Mega Evolutions, only 6 Fire Types have a Base Defense stat of 100 or more. Name two.
Alolan Marowak, Magcargo, Torkoal, Rotom-Heat, Darmanitan (Zen Mode), Turtonator
The damage of Fling varies based on the item being held. This weighty item gives it a whopping 130 Base Power. Too bad you'll probably be going second.
What is Iron Ball?
Blaze, Overgrow, and Torrent are mostly unique to the starters, but are also found on these Gen 5 monkeys.
What are Simisear/Simisage/Simipour?
Perhaps in an effort to make a useless Pokemon seem viable, this Normal-type move was rumoured to have a small chance to instantly KO an opponent.
What is Splash?
It sends electricity through its legs to boost their strength. Running at top speed, it easily breaks 50 mph. (Gen VIII)
What is Boltund?
This dual-type Pokemon has four weaknesses: Bug, Ice, Fighting, and Steel. If it was either of its single types, though, it would have five weaknesses instead.
What is Cradily? (Rock/Grass)
Most protection moves have 10 PP. All three which do not share this typing.
What is Fighting? (Detect/Mat Block/Quick Guard)
This tricky ability is the Hidden Ability of three Psychic families, but only found naturally on three Mega Evolutions, none of whom are Psychic type.
What is Magic Bounce?