Nah he was normal up until he died:
![](https://tevruden.nonexiste.net/mirror/64.media.tumblr.com/93ddc2784ebf99d12aa0afbe6d154629/tumblr_inline_nk3xm2Hfug1r8kia4.png)
The necromancer that raised him was a bit weird and used him to figure out how big of a death knight he could make out of the parts of a single elf, so Tev gained like a foot in height and a bunch of mass through fleshcrafting.