Just in case the various names of Alessia's slugs are too confusing, here's a name list of all the slugs Alessia has recruited! I will be updating the list throughout the story as Alessia recruits more slugs into her team. Hope this will be helpful :D
1.
Name: Hero
Slug: Air Elemental
Gender: M
2.
Name: Prime
Slug: Frostcrawler
Gender: M
3.
Name: Nile
Slug: Aquabeek
Gender: M
4.
Name: Funnel
Slug: Arachnet
Gender: F
5.
Name: Top
Slug: Bubbaleone
Gender: F
6.
Name: Geo
Slug: Geoshard
Gender: M
7.
Name: Rox
Slug: Hop Rock
Gender: M
8.
Name: Mint
Slug: Lariat
Gender: M
9.
Name: Ram
Slug: Rammstone
Gender: M
10.
Name: Taser
Slug: Tazerling
Gender: F
11.
Name: Strange
Slug: White Boon Doc
Gender: F
12.
Name: Jet
Slug: Hoverbug
Gender: M
13.
Name: Ari
Slug: Slyren
Gender: M
14.
Name: Mago
Slug: Thugglet
Gender: F
15.
Name: Maggi
Slug: Flopper
Gender: M
16.
Name: Cobra
Slug: Pieper
Gender: F
17.
Name: Phoenix
Slug: Infurnus
Gender: F
(I know what you're thinking. This is Juju but there's no other Infurnus pic from Slugterra and I'm not good at digital artwork so this is the best representative)
18.
Name: Spikey
Slug: Dirt Urchin
Gender: F
19.
Name: Annabelle
Slug: Frightgeist
Gender: F
This is seventeen year old Alessia on the Surface, just to give you an idea: