Visions

Video games are a good business for visionaires, but seriously, why couldn't they come up with more original names? 

Advision Home Arcade Emerson Arcadia clone

Adventurevision

A rare table top by Entex
Cassette Vision A console from 1981 by Epoch
Compactvision Obscure system by Gakken.
Colecovision One of the big ones by Coleco
Colorvision Uncommon table top by Bazin
Creativision Aka Dick Smith Wizzard
Dynavision Atari 2600 clone, also a NES clone
Exelvision Computer marketed at least in France
Handyvision NES clone
Intellivision One of the big ones by Mattel
InteractiveVision VHS based system by View Master
Intervision 2001 Voltmace Database clone
Leisurevision Emerson Arcadia clone
Megavision Sega Genesis clone
Microvision First handheld with carts, by MB
Multivision A Sega SG-1000 clone by Othello
My Vision Rare Japanese game system
Spectravision An Atari 5200 clone for hotels
Splicevision A Colecovision clone
Soundicvision I'm guessing this is a Scandinavian version of Hanimex HMG-7900
Supervision A not-so-common GameBoy wannabe, also a console by Bandai.
Super Cassettevision Another by Epoch.
Tandyvision An Intellivision clone
Tutorvision An Intellivision clone
Ultravision Only a prototype exists of this "Video Arcade System"