mr_pikachu for being one of the most devoted TPMers ever
Dark-San, he posted more than he himself noticed, I still misss his funny grants in Twisted Wishes
PancaKe liked having me around so much
Lawrence III_Fanatic made a nice comeback in 2009, but disappeared again
Silver Ledian I remember from another forum, too, PokéRealm, anyone?
Mega Horny was funny
Animelee was that kid who kept Pokemon Anime forum alive
Hanada Tattsu had every second reply in the same forum
Houndoom_Lover hyperactive Blademaster's lover
Crystalmaster Mike brought some diversity
Murgatroyd oh I envied but also respected him so much, was really good at Japanese
Systematic Revolution another failed comeback
AKA Pokemon Fan another Pokemon Anime person
Vundi from the past of the videogame subforum
Yami Yugi taught me a grammatic construction from his sig 'Not only is Yami Yugi a master dueler, he is also full of confidence and strength' or something.
OnTheEdge and some other lost Finnish users

Some of those people, I doubt they would remember me from TPM's past, but I still saw their posts.