No, Pikachu cannot be found in Ilex Forest.
Celebi is the protector of the Ilex Forest.
you go in the Ilex forest
You can get TM Headbut but you HAVE to teach it right away to a Pokemon like evee. A tutor can teach your Pokemon it/headbut in Ilex forest in HeartGold of SoulSilver. Sorry if you have a different game, so hope this helps, this is all the info I have.
You have to have a special (Wifi event) Pichu, bring it to the Ilex Forest Shrine. Otherwise, breed Pikachu/Raichu.
it call headbutt and there is movetutor in ilex forest that teach it to you
Celebi is the protector of the Ilex Forest.
The gaurdian of the Ilex Forest is Celebi.
ilex forest shrine
Celibi is the protector of ilex forest!
ilex forest isn't in pokemon white
how to pass in ilex forest
If you exit west from Azalea Town you will reach the Ilex Forest. You can also head south from Goldenrod City to get to the Ilex Forest.
walking=weedle, kakuna, paras, zubat, oddish headbutt= hoothoot , noctowl, pineco, weedle, kakuna, beedrill fishing and surfing= psyduck, golduck, magikarp, poliwag
Go to a shrine in Ilex forest and after that you time travel
Ilex Forest in not in Firered. Ilex Forest is located in Johto. It can only be reached in Gen II or in the unreleased Heartgold and SOulsilver in Gen. IV.
Ilex forest is to the right of azelea town and south of goldenrod city
Ilex Forest is not available in Pokémon Black. Ilex Forest is a forest location in the Johto region, Pokémon Black only has you travel through the Unova region.