
1) Barrel worker 2) Burt Reynolds movie 3) Bygone Sesame Street merchant 4) Occupational surname 5) Poltergeist director Tobe 6) Sesame Street shopkeeper 7) Sesame Street store owner 
Found on 
https://www.crosswordclues.com/clue/hooper

 The word hooper is an archaic English term for a person who aided in the building of barrels by creating the hoop for the barrel. Hooper may also refer to: Place names in the United States: Other: People with the surname Hooper: == See also == ...
Found on 
http://en.wikipedia.org/wiki/Hooper
 [mascot]
[mascot]  Hooper is the mascot of the National Basketball Association`s Detroit Pistons. He generally appears as a horse wearing a Pistons jersey. The symbolism is that like the pistons they are named after, the team produces horsepower, hence the equine mascot. Hooper became a part of the Pistons team on November 1, 1996, replacing Sir Slam...
Found on 
http://en.wikipedia.org/wiki/Hooper_(mascot)

• (n.) One who hoops casks or tubs; a cooper. • (n.) The European whistling, or wild, swan (Olor cygnus); -- called also hooper swan, whooping swan, and elk.
Found on 
http://thinkexist.com/dictionary/meaning/hooper/

Meaning as a surname: One who makes hoops for casks and barrels.
Found on 
http://www.encyclo.co.uk/local/20139
 Hoop'er  noun
Hoop'er  noun [ See 1st 
 Hoop .] One who hoops casks or tubs; a cooper. 
Found on 
http://www.encyclo.co.uk/webster/H/60

a person who makes or puts hoops on barrels, tubs, etc.; a cooper.
Found on 
https://www.infoplease.com/dictionary/hooper
  No exact match found.