Do you want to compare Siryn with Johnny Thunder? Discover the powers, weakness & weapons of Siryn and Johnny Thunder from Siryn Biography and Johnny Thunder Biography. Find out all about Siryn and Johnny Thunder.# Check out how is Siryn unique and distinct from Johnny Thunder. Discover their love interest, sidekicks, family tree and the movies and games list in which Siryn and Johnny Thunder have appeared. Find out everything about them here!