- Shingo (Wired for Battle!)
- Stephanie (Having a Wailord of a Time)
- Everyone in James family (His parents in Holy Matrimony and his Nanny and Pop-Pop in Sweet Baby James
and long lost uncle Victor in The Pi-Kahuna) - Jessiebelle (Holy Matrimony)
- Wendy (Dues and Don'ts)
- Tasumi/Tyson (From the Red Gyarados two-parter. Technically he was in both episodes, but I'll throw him in there anyways)
- Sullivan (Whiscash and Ash)
- Keenan (All That Glitters Is Not Golden!)
- The former poacher/master/proprietor in Sunnyshore (Flint Sparks the Fire!)
If we're including the movies and specials I'll add:
- Lawrence III/Gelardan/Jirarudan/The Collector (The Power of One)
- Molly Hale (Spell of the Unown)
- Domino (Mewtwo Returns)
- Sir Aaron (Lucario and the Mystery of Mew)
- Lady Rin (Lucario and the Mystery of Mew)
- Queen Ilene (Lucario and the Mystery of Mew)
Might have forgotten some.
