Well.... pacmans are not a domesticated animal. They may develop conditioned behavior (usually with regards to feeding) but that is not training the way you would teach a dog tricks. For example, if you feed your frog at the same time every night it will become used to that schedule and know when it is feeding time. So it may unburrow and go looking for food. You can "train" your pac to eat from forcepts. You can acclimate it to your presence so it does not get stressed out. But if you expect your frog to sit, stay, or hop on prompt then you might be waiting a LONG time. Lol. That being said, pacmans display unique personalities and behaviors. I think that most of the "tricks" you will hear about are more the result of their personalities than of being trained. My frogs are very spoiled. They know my voice and will often turn towards me when I speak. If they are mad at me (say, for giving them a bath or after I change their substrate) they will deliberatly turn away from me and ignore me. Loki knows when dinner time is and if dinner is not on time he will climb up on his log and stare intensely out into the room until he receives food. Grif knows that she gets a worm after her soak-time and will sit there and wait for it. They show their personalities in every reaction. But I wouldn't really call them tricks. I think most owners would consider their frog trained if it doesn't bite their finger. Haha!

I would also note to be cautious watching videos online. This is a subject that pops up on the forum every month or so. There are some great, informative videos out there (some of them from forum members), but there are many, many more that show ignorant and negligent owners. Most of the pacman videos out there are either people feeding the frogs oversized rodents for enteratainment or poking/proding/agrivating them in order to get them to croak (also just for entertainment). This sort of treatment is highly frowned upon.