- Bernard Bernoulli
- Betsy Ross
- Chron-O-John
- Chuck the Plant
- Cigar salesman
- Club Tentacle
- Dave Grossman
- Dave Miller
- Day of the Tentacle items
- Docs 'R Us
- Dwayne
- Ed Edison
- Edna Edison
- Fred Edison
- George's Hardware
- George Lucas
- George Washington
- Green Tentacle
- Hoagie
- Items
- Jeff Woodie
- Kill Thrill
- Laverne
- Lucasfilm Ltd.
- Man-eating plant
- Maniac Mansion
- Maniac Mansion: Day of the Tentacle
- Maniac Mansion (TV series)
- Maniac Mansion Deluxe
- Maniac Mansion Wiki Central
- Mansion
- Mark Eteer
- Meteor
- Meteor Mess 3d
- Michael F. Stoppe
- Multitasking VM
- Mysterious code
- Oozo
- Purple Tentacle
- Razor
- Rick McCallum
- SCUMM
- Sam & Max Hit the Road
- Sandy Pantz
- Sludge-O-Matic™
- State University
- Stinkee La Skinque
- Syd
- Ted Edison
- The Chicago Manual of Thermodynamic Flux Induction Circuit Design
- Thomas Jefferson
- Wendy
- Zak McKracken and the Alien Mindbenders
- Zed Edison
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