Summary of software mascots which are far from “Yuru-kyara”, loose mascots.
Lots of mascots are introduced from Japanese style moe-character to weird characters.
Among all of those characters Mr.Kaspersky standouts conspicuously.

Official software mascots which is not lovely

ソフトウェアのかわいくない公式マスコットキャラクター (13 体)

Official software mascots which is lovely

ソフトウェアのかわいい公式マスコットキャラクター (11 体)

ソフトウェアのかわいい公式マスコットキャラクター2 (13 体)

Stuffed toy of the PHP mascot “ElePHPant ” can be bought from KICK STARTER!
https://www.kickstarter.com/projects/eliw/php-architect-orange-elephpant