Note: All starters now have a 535 BST and two normal abilities + their Overgrow-equivalent as a Hidden Ability. Their Hidden Ability is recieved when you recieve these Pokemon as a starter. To get their non-Hidden Abilities, you catch them in the wild

Venusaur:
New Stats: 90/70/83/107/110/75/BST:535
New Abilities: Thick Fat/Chlorophyll/(HA)Overgrow
New Moves: Psychic, Whirlwind, Shadow Ball, Calm Mind

Charizard:
New Type: Fire/Dragon
New Stats: 78/70/78/120/85/104/BST:535
New Abilities: Levitate/Mountaineer/(HA)Blaze
Mountaineer: Grants immunity to Rock-Type attacks + entry-hazards
New Moves: Earth Power, Draco Meteor, Tail Glow

Blastoise:
New Stats: 85/70/115/120/105/40/BST:535
New Abilities: Mega Launcher/Rain Dish/(HA)Torrent
New Moves: Earth Power, Psychic

Meganium:
New Stats: 102/65/105/83/120/60/BST:535
New Abilities: Grassy Terrain/Triage/(HA)Overgrow
New Moves: Draining Kiss, Dazzling Gleam, Psychic, Earth Power, Body Press, Dragon Pulse, Calm Mind, Brain Drain

Typhlosion:
New Stats: 78/70/85/110/78/114/BST:535
New Abilities: Volt Absorb/Solar Power/(HA)Blaze
New Moves: Earth Power, Thunder, Thunderbolt, Thunder Wave, Dark Pulse, Nasty Plot, Sludge Wave, Sludge Bomb

Feraligatr:
New Stats: 85/115/105/59/83/88/BST:535
New Abilities: Sheer Force/Water Veil/(HA)Torrent
Water Veil Buff: Grants immunity to Fire-Type moves for the Pokemon with this ability. Grants resistance to Fire-Type moves for the Pokemon's ally
New Moves: Stone Edge, Psychic Fangs

cont.