You're right, Strife is "Eris." The word being translated as "Riot" is "Kudoimos," which is a masculine noun (so probably not a goddess). This isn't a proper deity per se, just another of the personifications of which Homer is so fond. I think you could go ahead and make a new character entry for it.

The word being translated as "Fate" is "Ker." She's a death goddess, and needs a character entry.

nb: since we gave a character entry to Ossa (Rumour), it seems only consistent to the the same thing here.

My inclination is to say that Doris the daughter of Oceanus and Doris the daughter of Nereus are two different people. The lists of siblings given at Apollod. 1.2.2 and in Homer 18.28 are otherwise different; the only overlap is Doris.

For names that are not very famous or familiar to most people, I prefer spellings with ks. So, we aren't going to go around spelling it "Akhilleus" but Kymodoke is to my mind a nicer transliteration than "Cymodoce." I will find and repost the guidelines about this.