MONDOM ULTRA SPOILERES
[spoiler]
Facts about Prothy
Big spoilers ahead. So be cautious.

1: Perm Squaddie
2: Not 100% that will look like the statues on Illos
3: Is a warrior type 'o guy
4: Will give insights into Prothean History
5: Is a biotic.
6: Is renegade-ish with anti-AI tendencies.
7: Hates Cerberus with a passion despite being mostly renegade
8: He is most likely a Vanguard or Sentinel. Less likely a Sentinel given his soldiering nature.
9: Not especially fond of Liara, or the Asari in general
10: The concept of different gendered bathrooms eludes him
11: He can obtain information off of matter
12: Had to kill his entire squad after they were indoctrinated
13: Was designated as "The Vengance" of the Protheans, and was to survive to the current cycle to rebuild the Prothean Empire as to build up a force strong enough to defeat the Reapers.
14. Goes to wrong bathrooms.
15. Possibly only naked squadmate.( lol?)
16: Possibly included in the main game
17. Kinda teases paragon shephard for being too soft.
18.Located on Eden Prime?
19. He's first squadmate that is a bug. Cool.
20. He's a Prothean.( yeah, yeah, Captain Obvious)
21: Prothy is Insectoid looking. (whatever that means)
22: Prothy has more than 2 eyes. most propably - 4.