I've actually heard that it kills roaches. In fact everytime my parents use it, they find dead roaches in places they've mopped.
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The effect you might be seeing might be that they're going nuts because of the scent, not necessarily because it's atracting them.
In general, your own presence is enough to attract the cockroach. Just walk up to it and it will attack you. I has a good melee attack, but this is not it's only attack, so don't think that you will be alright safe-spotting it. It has an even better ranged attack, so it is advisable to stay close to it to avoid it using these attacks.
He's his cousin
An attract mode is a demonstration mode of a video game designed to attract people to play it further.
Skittys usually come with attract when you catch them. Skitty's evolved form, Delcatty, also should have attract. Other than that, I don't think that any other Pokemon will have attract unless you taught it the move or traded it from people who did.
an electric pokemon have a static ability can attract a electric pokemon.