Welthon (Brazil) has never succeeded in becoming the top scorer in a league but was part of the top-20 list of scorers in Primeira Liga 2016/2017.
His complete name is Welthon Fiel Sampaio and he is 31 years old, the day he was born was 21 June 1992. Usually he plays as forward.
Note that this is top scorer data we have in our database. Welthon might be part of top scorer lists in other leagues we don't have here, or seasons we don't have in our database yet.