Sup folks, I just wanted to post this so more ppl will be aware but Ike can get a true combo of Dair > Fsmash on most characters (percents vary with each character, but very roughly most of the cast gets hit some where between 45%-85% ), and pretty much every one except the smallest floaties can be dair > up smash, although the up smash doesn't kill nearly as well as the Fsmash. Now the tricky part is setting up the dair! Also like all of Ike's other moves the dair has multiple hitboxes, some send the character up higher, the spacing gets tricky honestly.
Here's a list of characters and the specific percents I know it will true combo on (rounded to the nearest 0 or 5)
°Captain Falcon
-dair to Smash 80%-130%
° Gannon
-dair to Fsmash 60%-90%
°Mario
-dair to fsmash (can upsmash at 40%) 60%-70% might be better to just upsmash
°Marth
-dair to Fsmash 60%-85% (tricky though)
°Metaknight
- dair to Fsmash (45%-80%)
°Pit
-dair to Fsmash 50%-65%
°Sheik
-dair to Fsmash 55%-85%
°Wario
-dair to Fsmash 55%- 85%
°Zelda
-dair to Fsmash (use up smash) 40%-60%
Here's a list of characters and the specific percents I know it will true combo on (rounded to the nearest 0 or 5)
°Captain Falcon
-dair to Smash 80%-130%
° Gannon
-dair to Fsmash 60%-90%
°Mario
-dair to fsmash (can upsmash at 40%) 60%-70% might be better to just upsmash
°Marth
-dair to Fsmash 60%-85% (tricky though)
°Metaknight
- dair to Fsmash (45%-80%)
°Pit
-dair to Fsmash 50%-65%
°Sheik
-dair to Fsmash 55%-85%
°Wario
-dair to Fsmash 55%- 85%
°Zelda
-dair to Fsmash (use up smash) 40%-60%