THEME: first word of a phrase can precede NAME; hence "Name Game"
GOOD ONES: Classic detective… NICK CHARLES [nickname]
Man with memorable thumbs EBERT ["thumb up" critic --- not some Smart Phone user

]
Non-metallic rocks ICE ["on the rocks"]
It won't hold water STRAINER
One often turned on LIGHT
Fall locale EDEN [not the mountains in autumn]
Boy's mother JANE [in
Tarzan of the Apes]
Frank and Rice ANNES [my editors last century wouldn't allow names from different spheres --- never knew why]
BTW: Classic French firearms company LEPAGE [heard of the glue, with -
S, not the gun]
OK, this is odd: when I filled in RELIC @36-Down, the Bob Seeger song "Old-Time Rock & Roll" ran through my head. "Call me a RELIC, call me what you will. Say I'm old-fashioned; say I'm over the hill…" Then @ 70-Down SEGER popped up.]
EINES is just not used whereas IDEE FIXE is.
RATING:

Three grins = Loved it; Two grins = Enjoyed it; One grin = A bit bland for my taste; One teardrop = Not much fun