The MUTO creatures were created for Legendary's Godzilla in 2014, a reboot that reintroduced Godzilla alongside two original monsters, the male and female MUTO, which feed on radiation and challenge Godzilla in San Francisco. The male's higher, more insect-like call distinguishes it from Godzilla's deeper roar and the female's heavier sound. Clips of the roar spread through soundboards and video edits, where creators reuse it as a generic kaiju cry rather than only for Godzilla scenes, keeping it popular for monster, horror and reaction content.