Charizard
Typhlosion
Sceptile
Empoleon
Samurott
Greninja
Incineroar

I would probably pick either Chikorita or Treecko. (By the way, I noticed that “Starter” is misspelled as “Stater” in the title of this topic.)

Gen 1: Bulbasaur and Charmander (I like both)
Gen 2: Totodile
Gen 3: Treecko
Gen 4: Piplup
Gen 5: Snivy
Gen 6: Fennekin
Gen 7: Litten

From order of generations:

Generation I: Charizard (Especially Charizard Y, but that's from generation VI but anyways I'll add it) and Wartortle.

Generation II: Feraligatr

Generation III: Sceptile (Shiny) (And Mega Sceptile but again that's from generation VI but I'll add it anyways)

Generation IV: Turtwig

Generation V: Snivy's evolution line, Oshawott and Samurott

Generation VI: Greninja

Generation VII: Decidueye

With my favorite starter of all time being Serperior.

Grass: Bulbasaur
Fire: Cyndaquil
Water: Popplio

Gen 1: Bulbasaur
Gen 2: Cyndaquil
Gen 3: Mudkip
Gen 4: Piplup
Gen 5: Snivy
Gen 6: Froakie
Gen 7: Popplio

Froakie

Gen 1: Venusaur
Gen 2: Typhlosion
Gen 3: Sceptile
Gen 4: Infernape
Gen 5: Samurott
Gen 6: Greninja -All time favorite-
Gen 7: Decidueye

Piplup and bulbasuar

gen 1: Charmander
gen 2: Cyndaquil
gen 3: Mudkip
gen 4: Turtwig
gen 5: Snivy
gen 6: Chespin
gen 7: Rowlet

grass: Rowlet
water: Mudkip
fire: Cyndaquil