#2915236 - safe, artist:ctamina, oc, oc only, unnamed oc, zebra, black mesa, clothes, crossover, escalator, eye clipping through hair, eyebrows, eyebrows visible through hair, frown, glasses, half-life, high res, lab coat, male, necktie, outfit, scientist, signature, zebra oc

Full size BBcode Copy
[img]https://derpicdn.net/img/2022/7/26/2915236/full.png[/img] [url=https://derpibooru.org/images/2915236]View on Derpibooru[/url] - [url=https://vk.com/wall-199400186_139]Original source[/url]

Thumbnailed BBcode Copy
[img]https://derpicdn.net/img/2022/7/26/2915236/medium.png[/img] [url=https://derpibooru.org/images/2915236]View on Derpibooru[/url] - [url=https://vk.com/wall-199400186_139]Original source[/url]