Another son of ODIN, he’s also BALDUR’s twin brother. Most twin Gods come in goodie-baddie editions, and as he killed his beautiful brother you’d be forgiven for thinking that HOD was a nasty sort. But actually he was tricked into it by LOKI. Read all about it in BALDUR’s entry.
The Gods were most upset, and HOD was killed by VALI in revenge. That might seem unfair, but then he shouldn’t have been chucking mistletoe about, should he?