Quoted By:
Rattata line > patrat line
Pidgey line > pidove line
Roggenrolla line > geodude line
Woobat line > zubat line without crobat
Machop line > timburr line (timburr a qt though)
Poliwag line > whatever the other line is called
Sawk and Throh > Hitmonlee and chan
Gothita line = Abra line
Klink line > Magnemite line
Gen 5 had uglier pokemon but that's only because gen 1 mons were bland and boring