im not sure, but i think seedot can, and Zigzagoon/Linnone. I don't have a list of Pokemon that can learn it, but Zigzagoon is a good choice. (i carry a few zigzagoons around to act as my HM slaves.)
Zigzagoon cannot learn flash in ruby
No wurmple can not learn flash
i think you should try and get a bauityfly
Shroomish can learn flash.
NO
all the Pokemon on dimmond that can learn flash can still learn flash in the platinum game too
Most electric type Pokemon can learn flash.
In Pokemon diamond many Pokemon can learn flash for eg. Electric Pokemon such as Pachurisu Pichu and Luxray all (eveloutions) and yeah just experiment and see what can learn flash!
Most electric types can learn flash like voltorb and magnemite.
Any Pokemon that can learn a electric move
Paris can learn cut and flash
use flash