The legendary Pokemon in Pokemon black is Reshiram and the legendary Pokemon in Pokemon white is Zekrom. There is Tornadus on Pokemon black and Thunderus on white.
There is also Landorus which you get from obtaining Tornadus on White along with owning a Thunderus and vice versa for Black. You must visit the Abundant Shrine with Tornadus and Thunderus in your party for Landorus to appear.
You can get Virizion from Pinwheel Forest, Cobalion from Mistralton Caves and Terrakion from Victory Road .
Victini is available on Liberty Garden if you got the event for the Liberty Ticket.
You can get Zoroark from Lostlorn Forest if you have at least one Shiny Raikou, Suicune or Entei.
There is Kyruem too, at the Giant Chasm after defeating the Elite Four.
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The white legendary Pokémon is Reshiram, while the black legendary Pokémon is Zekrom. You can get Zekrom in the White version while you can get Reshiram in the Black Version.
on black and white? Reshiram (black) and Zekrom (white)
Black and White Kyruem.
No, there are no legendary Pokemon there, just a rare item.
You just get legendary Pokemon I guess