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