Possible Clues:

• Console under Christmas trees in Dec. 1986
• 8-bit giant, briefly
• Super Mario Bros. player
• Old video game letters
• Platform for Bubble Bobble and Double Dribble
• The Legend of Zelda platform, for short
• Castlevania platform
• Classic video game inits.
• Electronic-games inits.
• 8-bit video game letters