Let’s just go full head-canon. Gekkos are infantry support, they can step to IFVs and the like, but in my head a MBT would shred a Gekko.

So you need something bigger for urban warfare that can stand up to an Abram’s.

Geckos are small and nimble, Komodo’s are heavier and much more deadly.

Add in a similar mutation to the spelling and you get the Kommodo