Forum:Bottomless and ATK

1. I have a Batteryman AA on my field. I Summon another one. Can my opponent bottomless the Summoning AA, or does AA gain the ATK AFTER its Summoned? Same with cards like Vennominon the King of Poisonous Snakes.

2. Can someone bottomless a monster that states "The ATK (and DEF) of this card are equal to blah blah blah," or does a card with a text like that ALSO gain ATK after its Summoned?