Crossword puzzle clue "nickname for one who is light on his feet"

Nickname for one who is light on his feet

Roughly 15 feet by 6 feet by 5 feet, for the Focus?

"Jeopardy!" host who dropped his first name of George to go by his middle name's nickname: 2 wds.

Sitcom star (he played an innkeeper) who dropped his first name of George to go by his middle name's nickname: 2 wds.

Incoming Baseball Hall of Famer who dropped his first name of George to go by his middle name's nickname: 3 wds.

5 feet to 10 feet and 60 meters to 120 meters

Animal with four toes on its front feet and three toes on its back feet

Light on one's feet