Which Vocaloid voices are english?

[Petzbreeder]

I have Vocaloid 3 free version with LOADS (maybe all!) of the Voice packs for V3 and some (again, maybe all!) of the V2 converts. I don't know which ones are english, with the exception of the ones with english or eng in the name.

Which ones are english? These are the ones I have.
Spoiler tags used for separation and ease of reading.

[spoiler text=V2 Converts]Big_AL
Gachapoid
Gackpoid
Iroha
Kaai_Yuki
Kiyoteru
Len
Len_Act2
Len_cold
Len_power
Len_serious
Lily
Luka_ENG
Luka_JPN
Megpoid
Miku_dark
Miku_Hatsune
Miku_light
Miku_soft
Miku_solid
Miku_sweet
Miku_vivid
Prima
Rin
Rin_Act2
Rin_power
Rin_sweet
Rin_warm
SAF-A2_Miki
Sonika
Sweet_Ann
Tonio
Utane_Piko
vy1_v1
vy2_v2
[/spoiler][spoiler text=V3]Aoki
Avanna
Bruno
Clara
CUL
Gackpoid_native
Gackpoid_power
Gackpoid_whisper
Galaco
IA
IAP 2
Kaito_English
Kaito_Soft
Kaito_Straight
Kaito_Whisper
Kokone
Lili_V3
Luo_Tianyi
Macne_ENG
Macne_JPN
MAIKA
Mayu
Megpoid_adult
Megpoid_English
Megpoid_Native
Megpoid_power
Megpoid_sweet
Megpoid_whisper
MeikoV3_Dark
MeikoV3_English
MeikoV3_Power
MeikoV3_Straight
MeikoV3_Whisper
Merli
Mew
MikuV3_Dark
MikuV3_English
MikuV3_Original
MikuV3_Soft
MikuV3_Solid
MikuV3_Sweet
Oliver
Project575
SeeU
Tone_Rion
Vy1v3
Vy2v3
Yan_He
Yohio_ENG
Yojio_JPN
Yuzuki
ZOLA[/spoiler]

I have so many to choose from. I don't even know where to begin!
The names are written the same way as the file names.