Related Clues:

• Innovator
• Ground-breaker
• Is that the first to get charged in a lord?
• One has just arrived to get a dog for about a pound
• One has come to 12 across
• When the red dog is about fifty he will stay put
• One is the first but never at last
• Always the first, never the last
• Being a newcomer, the dog is about fifty
• Is one first? Never last
• One would be the first to be charged with the lord around
• The first to get one on with the lord around
• Fifty in a dog that's come to stay
• One's the first to look around the one on this
• Davy Crockett, e.g