There are at least two artists using this name.

1)
Kyoto, Japan (1997 - Present)

Mortalized is a Deathgrind band from Kyoto, Japan.

Line-up.
Takafumi Itsubara - Guitar
Ikeda - Drums
Takahashi - Vocals

2)
Mortalized is a Deathgrind band from Kazan, Russia. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.