Original: They are best known for their first three albums with future Iron Maiden singer Bruce Dickinson , then known as '' Bruce Bruce '' , and drummer Thunderstick ( real name Barry Graham ) , who wore a leather mask and performed on stage in a metal cage .
Simplified: Iron Maiden lead singer Bruce Dickinson was in the band before he joined Iron Maiden . Dickinson went by the name '' Bruce Bruce '' while he was in Samson .