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Isaac Kleiner

67 posts2 sourcesWiki updated 12/8/2025
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Also Known As

アイザック・クライナー博士アイザック・クライナー

Featured Images

alyx vance from half-life (series) by gizmo horny (artist)background character from disney by hbnoob

About Isaac Kleiner

Also known as: アイザック・クライナー博士, アイザック・クライナー

Half-Life 2 NPC. Former Black Mesa scientist who became a key member of the Resistance after the Black Mesa Incident. Owns the pet Headcrab, Lamarr (Half-Life).

Character tags

alyx vanceheadcrabalyx vance (half-life:alyx)barney calhoungordon freemanbackground characterjudy hoppsvault boywarfare judycitizen (half-life 2)civil protection (half-life series)zoey (left 4 dead)shima luan

Copyright tags

half-life (series)half-life 2disneyfalloutmicrosoftzootopiagarry's modleft 4 deadleft 4 dead (series)valvevalve (company)half-lifesuper planet dolan

Artist tags

gizmo horny (artist)lneosfmhbnoobmasterzenusjojispoon44

General tags

2girls1boysmall but hung1girlsasian femaleblack hairfemaleglass tubeglasseshandjob while watchingholding hipslaboratorymalemuscularmuscular malenudenude femalenude malepleasuring selfsexskinny femalestanding sexwatching sexalyx vanceanimatedcombine soldiercrossoverhalf-lifehalf-life 2left 4 deadmasterzenussoundsource filmmakerzoeyanthroassbedroom eyes

Isaac Kleiner Gallery

11 visible posts on page 1

alyx vance from half-life (series) by gizmo horny (artist)
alyx vance
half-life (series) · by gizmo horny (artist) · Rule34
▶ Video
alyx vance
half-life (series) · by lneosfm · Rule34
▶ Video
Artwork
Rule34 Paheal · Rule34 Paheal
background character from disney by hbnoob
background character
disney · by hbnoob · Rule34
▶ Video
alyx vance
garry's mod · by masterzenus · Rule34
isaac kleiner from half-life by jojispoon44
isaac kleiner
half-life · by jojispoon44 · Rule34
Booru post from rule34.paheal.net
Artwork
Rule34 Paheal · Rule34 Paheal
Booru post from rule34.paheal.net
Artwork
Rule34 Paheal · Rule34 Paheal
Booru post from rule34.paheal.net
Artwork
Rule34 Paheal · Rule34 Paheal
Booru post from rule34.paheal.net
Artwork
Rule34 Paheal · Rule34 Paheal
Booru post from gelbooru.com
Artwork
Gelbooru · Gelbooru