The Tamers Forever Series has several examples but Chaos, Rika, Takato, Takeru, Tatsu and (as it is later revealed) Terriermon are by far the most noticeable examples.
In The Tainted Grimoire, characters are this, be they good or evil, for example Judgemaster Cid Randell, aka the strongest man in Jylland, Illua who showed some of her power in the first chapter and Ensei Rou, who defeated 120 mages, without taking any damage.
