While lulling its enemies with its vacant look, this wily Pokémon will use psychokinetic powers.
Blue
Yellow
Always tormented by headaches. It uses psychic powers, but it is not known if it intends to do so.
Gold
It has mystical powers but doesn't recall that it has used them. That is why it always looks puzzled.
Silver
If its chronic headache peaks, it may exhibit odd powers. It seems unable to recall such an episode.
Crystal
The only time it can use its psychic power is when its sleeping brain cells happen to wake.
Ruby
PSYDUCK uses a mysterious power. When it does so, this POKéMON generates brain waves that are supposedly only seen in sleepers. This discovery spurred controversy among scholars.
Sapphire
If it uses its mysterious power, PSYDUCK can't remember having done so. It apparently can't form a memory of such an event because it goes into an altered state that is much like deep sleep.
Emerald
When its headache intensifies, it starts using strange powers. However, it has no recollection of its powers, so it always looks befuddled and bewildered.
FireRed
It is constantly wracked by a headache. When the headache turns intense, it begins using mysterious powers.
LeafGreen
While lulling its enemies with its vacant look, this wily Pokémon will use psychokinetic powers.
Diamond
If its usual headache worsens, it starts exhibiting odd powers. It can't remember doing so, however.
Pearl
It never remembers using its odd powers, so it always tilts its head in puzzlement.
Stadium 1
Appears unaware and totally vacant. However, if its chronic headache worsens, it starts exhibiting peculiar powers.
Stadium 2
It has mystical powers but doesn't recall that it has used them. That is why it always looks puzzled.
TCG
Psyduck: It is often seen holding its head in its paws, as if it were suffering from a headache.
Psyduck: Although possessed of great mental powers, it doesn't know how to use them.
Psyduck: While lulling its enemies with its vacant look, this wily Pokémon will use psychokinetic powers.
One randomly selected move of the target's cannot be selected for 1-7 turns. Disable only works on one move at a time. The target does nothing if it is about to use a move that becomes disabled.
Attacks 2-5 times in one turn; if one of these attacks breaks a target's Substitute, the target will take damage for the rest of the hits. This move has a 3/8 chance to hit twice, a 3/8 chance to hit three times, a 1/8 chance to hit four times and a 1/8 chance to hit five times.
The target cannot choose its last move for 2-5 turns. Disable only works on one move at a time and fails if the target has not yet used a move or if its move has run out of PP. The target does nothing if it is about to use a move that becomes disabled.
Attacks 2-5 times in one turn; if one of these attacks breaks a target's Substitute, the target will take damage for the rest of the hits. This move has a 3/8 chance to hit twice, a 3/8 chance to hit three times, a 1/8 chance to hit four times and a 1/8 chance to hit five times.
