The Professor's Challenge!

Starting
*The Nidoran/Nidorina/Nidoqueen lines (All Gens)

Sturdy Oak
*A Pokemon with the "Sturdy" ability.

Old Man Glitch
*Gives you a Tauros/Exeggcute/Grolithe/Magickarp

Unstable
*Eevee and its evolutions

Routeonenophobia
*Hey! Wait! Don't go out! It's unsafe! A Pokemon that can be caught in Route 1 or equivalent.

Human-Pokemon Relationships
*Two Pokemon from the Human-like egg group.

Starting
*The Wopper/Quagsire line. (Gen 2 - up)

Evolution Master Wannabe
*This rule gives 2 Pokemon. First, a Pokemon that evolves 2 times. Lastly, a Pokemon that evolves with a stone or trade.

So Called "Ability Master"
*Two Pokemon that is the same in species but has different abilites (ex. Munna w/ Forewarm and another one with Synchronize)

So Called "Egg Master"
*A "baby" Pokemon, or a Pokemon that hatches from an egg, Wynaught and Togetic

Oak Idolizer
*Get a rule from Professor Oak.

Sky Elm
*Flying-type Pokemon that lives in the forest.

Starting
*The Lotad/Lobre/Ludicolo line. (Gen 3 - up)

Habitat Researcher
*This rule gives you 4 Pokemon. One from the Grasslands, one from the Forest, one from the Water's Edge or Sea and lastly from the Caves or Mountain (as stated in the Pokedex)

Down to Earth
*Pick a gym other than the first. Solo that gym with a Grass or Ground Pokemon.

Helper
*Use a Pokemon that Brendan/May uses other than starters.

Pooch/Goon Hater
*Every Poochyena/Mightyena and Zigzagoon/Linoone must be faught in the wild. No running away!

White Birch
*Use a white colored Pokemon (as stated in the Pokedex)

Starting
*The Bunneary/Lopunny line. (Gen 4 - up)

The "Real" Evolution Master
*This rule gives 4 pokemon. First, a Pokemon that evolves only one time, a Pokemon that evolves 2 times, a Pokemon that evolves with a stone or trade and lastly, a Pokemon that evolves by happiness.

Forgetful
*A Pokemon with Amnesia (must be kept until player beats the game)

Former Champion
*A Pokemon that a champion uses, no starters.

Sycamore's Mentor
*Use one to two rules of Professor Sycamore

Forever Alone
*A Genderless Pokemon.

Sweet Rowan
*A Pokemon based on food/dessert, Fairy (or becoming Fairy) types.

Helper
*A Pokemon that Dawn/Lucas has, no starters

Starting
*The Minncino/Cinccino line. (Gen 5 up)

First Female
*A female only Pokemon or a Pokemon with a high chance of being female.

Lets Trade!
*A Karrablast or Shelmet

Former Backpacker?!?
*A Pokemon that a Backpacker uses.

The Juniper SR. Rule
*This rule gives you 2 Pokemon. Use Pokemons who are like pairs (version counterparts)

Helper
*Use Pokemon that Bianca uses, no starters

Origin
*Use one of the fossil Pokemon.

Desert Juniper
*Use a Pokemon who lives in the dessert.

Starting
*The Bunnelby/Diggersby line. (6th gen)

Smart Helper
*A Pokemon that Trevor

Dancing Helper
*A Pokemon that Tierno uses

Former Rowan Student
*Use a rule from Professor Rowan.

Mega Mega Expert
*Use 3 Pokemon that is capable of Mega evolution, for 5th gen below, you can use Pokemon that will be capable. (Ampharos can be used in Ruby)

French Fairies
*A Fairy (or soon to be) type.

Tall Sycamore
*A Pokemon that is 1.2 and above meters tall.