Abe is a 50/50 for me. I love the character and grew up to the game. However his play style is very manipulative and out of sight. He never gets into the heat of combat he always get's cyclops Squidward (sligs) to do it for him, so I'm not sure how they would add him in. It would be cool though.
He's significant to playstation in terms of he was there and popular when playstation first started. There seems to be a huge lacking in memorable PS1 characters in this game and people seem to focus more on PS2 characters.
As for the move-sets. He has possession abilitiies which could allow him to switch himself out with creatures he has controlled throughout the game, like Sligs for example. or use them in the same way Fat Princess does. He can even ride Elum for his lvl 2 super. I forget a lot of the game, the body count was high in that game I could tell you. But what he could really bring is an interesting map design as abe's oddysee is a side scroller.
December 13th 2012: Went 8-0 Stock Unranked FFA. (Jak)
January 10th 2013: Sniped Asis_aka_talent into Jak's lvl 1. (Uncle Radec)
April 16th 2013: Caught parappa's lvl 2 with Sweet Tooth's lvl 1 and didn't die in the process (Sweet Tooth)
May 5th 2013: Got my Radec eviscerated by whaatxddd's radec in 1v1. Kmart, u better watch out.
Just learnt "Drake" and is now learning "Nariko".